CINXE.COM

<!DOCTYPE html><html lang="en" class="h-full"><head><meta charSet="utf-8"/><meta name="viewport" content="width=device-width, initial-scale=1"/><link rel="stylesheet" href="/_next/static/css/786ca9324488b5df.css" data-precedence="next"/><link rel="preload" as="script" fetchPriority="low" href="/_next/static/chunks/webpack-496a37b6c26ccd6a.js"/><script src="/_next/static/chunks/fd9d1056-ae1d3d1d803e2e5a.js" async=""></script><script src="/_next/static/chunks/117-545f1187d7f142b2.js" async=""></script><script src="/_next/static/chunks/main-app-3122dc718821276f.js" async=""></script><script src="/_next/static/chunks/972-f3553dcbba031b91.js" async=""></script><script src="/_next/static/chunks/135-8f28b0a70a96c388.js" async=""></script><script src="/_next/static/chunks/212-67e821188dcd5fb8.js" async=""></script><script src="/_next/static/chunks/app/%5Blocale%5D/specs/did/page-48ea0a7c43d7f389.js" async=""></script><script src="/_next/static/chunks/28-313384c6289a00c0.js" async=""></script><script src="/_next/static/chunks/369-a583bbb81b96a7d8.js" async=""></script><script src="/_next/static/chunks/60-3e1824554a9cf3f8.js" async=""></script><script src="/_next/static/chunks/app/%5Blocale%5D/layout-8706067c5d993875.js" async=""></script><title>DID - AT Protocol</title><meta name="description" content="Persistent decentralized identifiers (as used in atproto)"/><meta property="og:title" content="DID - AT Protocol"/><meta property="og:description" content="Persistent decentralized identifiers (as used in atproto)"/><meta property="og:url" content="https://atproto.com/"/><meta property="og:site_name" content="AT Protocol"/><meta property="og:image" content="https://atproto.com/default-social-card.png"/><meta property="og:image:secure_url" content="https://atproto.com/default-social-card.png"/><meta property="og:image:width" content="1200"/><meta property="og:image:height" content="630"/><meta property="og:type" content="website"/><meta name="twitter:card" content="summary_large_image"/><meta name="twitter:title" content="DID - AT Protocol"/><meta name="twitter:description" content="Persistent decentralized identifiers (as used in atproto)"/><meta name="twitter:image" content="https://atproto.com/default-social-card.png"/><script src="/_next/static/chunks/polyfills-42372ed130431b0a.js" noModule=""></script></head><body class="flex min-h-full bg-white antialiased dark:bg-zinc-900"><script>!function(){try{var d=document.documentElement,c=d.classList;c.remove('light','dark');var e=localStorage.getItem('theme');if('system'===e||(!e&&true)){var t='(prefers-color-scheme: dark)',m=window.matchMedia(t);if(m.media!==t||m.matches){d.style.colorScheme = 'dark';c.add('dark')}else{d.style.colorScheme = 'light';c.add('light')}}else if(e){c.add(e|| '')}if(e==='light'||e==='dark')d.style.colorScheme=e}catch(e){}}()</script><div class="w-full"><div class="h-full lg:ml-72 xl:ml-80"><header class="contents lg:pointer-events-none lg:fixed lg:inset-0 lg:z-40 lg:flex"><div class="contents lg:pointer-events-auto lg:block lg:w-72 lg:overflow-y-auto lg:border-r lg:border-zinc-900/10 lg:px-6 lg:pb-8 lg:pt-4 xl:w-80 lg:dark:border-white/10"><div class="hidden lg:flex"><a aria-label="Home" href="/"><svg viewBox="0 0 162 28" aria-hidden="true" class="h-6"><path class="fill-blue-500" d="M14.362 27.78c-1.956 0-3.756-.324-5.4-.972-1.644-.648-3.072-1.566-4.284-2.754a12.247 12.247 0 0 1-2.808-4.158c-.66-1.596-.99-3.33-.99-5.202 0-2.232.342-4.212 1.026-5.94.696-1.728 1.656-3.18 2.88-4.356a12.48 12.48 0 0 1 4.284-2.7c1.632-.612 3.378-.918 5.238-.918 2.28 0 4.278.354 5.994 1.062 1.716.708 3.144 1.668 4.284 2.88a11.706 11.706 0 0 1 2.538 4.158c.552 1.548.804 3.168.756 4.86-.06 2.328-.546 4.116-1.458 5.364-.912 1.236-2.328 1.854-4.248 1.854a5.839 5.839 0 0 1-2.826-.702 3.703 3.703 0 0 1-1.764-2.07l1.044.054c-.492.924-1.164 1.572-2.016 1.944a6.464 6.464 0 0 1-2.61.558c-1.212 0-2.28-.258-3.204-.774a5.682 5.682 0 0 1-2.178-2.214c-.528-.948-.792-2.046-.792-3.294 0-1.284.276-2.394.828-3.33a5.77 5.77 0 0 1 2.232-2.196c.936-.516 1.992-.774 3.168-.774.78 0 1.59.162 2.43.486.852.324 1.512.78 1.98 1.368l-.738.936V8.664h2.412l-.054 6.462c0 .924.18 1.62.54 2.088.36.468.894.702 1.602.702.624 0 1.104-.174 1.44-.522.348-.36.588-.846.72-1.458a10.66 10.66 0 0 0 .252-2.106c.036-1.86-.24-3.426-.828-4.698-.588-1.272-1.386-2.298-2.394-3.078a9.499 9.499 0 0 0-3.294-1.71c-1.2-.36-2.394-.54-3.582-.54-1.68 0-3.174.27-4.482.81-1.308.528-2.412 1.278-3.312 2.25-.888.96-1.56 2.1-2.016 3.42-.444 1.308-.654 2.748-.63 4.32.048 1.56.33 2.964.846 4.212a9.324 9.324 0 0 0 2.16 3.204 9.38 9.38 0 0 0 3.276 2.034c1.26.468 2.64.702 4.14.702.84 0 1.674-.096 2.502-.288.84-.18 1.608-.438 2.304-.774l1.026 2.808c-.924.432-1.896.75-2.916.954a14.649 14.649 0 0 1-3.078.324Zm-.144-10.098c.852 0 1.566-.246 2.142-.738.576-.492.864-1.326.864-2.502 0-1.068-.258-1.872-.774-2.412-.504-.552-1.218-.828-2.142-.828-1.092 0-1.908.288-2.448.864-.54.576-.81 1.368-.81 2.376 0 1.032.276 1.83.828 2.394.564.564 1.344.846 2.34.846Z"></path><path class="fill-blue-600 dark:fill-blue-500" d="M51.799 7.813V5.545h13.509v2.268H59.86V23h-2.624V7.812h-5.438ZM39.392 23h-2.795l6.28-17.455h3.043L52.203 23h-2.796L44.472 8.716h-.137L39.392 23Zm.469-6.835h9.068v2.216h-9.068v-2.216Z"></path><path class="fill-zinc-700 dark:fill-zinc-400" d="M161.144 5.545V23h-2.548V5.545h2.548ZM149.649 23.264c-1.227 0-2.298-.281-3.213-.843-.915-.563-1.625-1.35-2.131-2.361-.505-1.012-.758-2.194-.758-3.546 0-1.358.253-2.545.758-3.562.506-1.017 1.216-1.807 2.131-2.37.915-.562 1.986-.843 3.213-.843s2.298.28 3.213.843 1.625 1.353 2.131 2.37c.506 1.017.758 2.204.758 3.562 0 1.352-.252 2.534-.758 3.546-.506 1.011-1.216 1.798-2.131 2.36-.915.563-1.986.844-3.213.844Zm.009-2.139c.795 0 1.454-.21 1.977-.63.523-.421.909-.98 1.159-1.68.256-.699.384-1.468.384-2.31 0-.834-.128-1.602-.384-2.3-.25-.705-.636-1.27-1.159-1.697-.523-.426-1.182-.639-1.977-.639-.801 0-1.466.213-1.995.64-.522.426-.912.991-1.167 1.695a6.789 6.789 0 0 0-.375 2.302c0 .84.125 1.61.375 2.31.255.698.645 1.258 1.167 1.678.529.42 1.194.631 1.995.631ZM136.032 23.264c-1.267 0-2.358-.287-3.273-.86-.909-.58-1.608-1.378-2.096-2.395-.489-1.018-.733-2.182-.733-3.495 0-1.33.25-2.503.75-3.52.5-1.022 1.204-1.82 2.113-2.395.909-.573 1.98-.86 3.213-.86.995 0 1.881.184 2.659.554a4.764 4.764 0 0 1 1.884 1.534c.483.659.77 1.429.861 2.31h-2.48a2.974 2.974 0 0 0-.938-1.586c-.483-.443-1.13-.665-1.943-.665-.71 0-1.332.188-1.866.563-.529.37-.941.898-1.236 1.585-.296.682-.443 1.489-.443 2.42 0 .955.144 1.779.434 2.472.29.693.699 1.23 1.227 1.61.535.382 1.162.572 1.884.572.483 0 .92-.088 1.313-.264.397-.182.73-.44.997-.776.272-.335.463-.739.571-1.21h2.48a4.823 4.823 0 0 1-.827 2.267 4.76 4.76 0 0 1-1.849 1.568c-.767.38-1.668.571-2.702.571ZM121.571 23.264c-1.227 0-2.298-.281-3.213-.843-.915-.563-1.625-1.35-2.131-2.361-.505-1.012-.758-2.194-.758-3.546 0-1.358.253-2.545.758-3.562.506-1.017 1.216-1.807 2.131-2.37.915-.562 1.986-.843 3.213-.843s2.298.28 3.213.843 1.625 1.353 2.131 2.37c.505 1.017.758 2.204.758 3.562 0 1.352-.253 2.534-.758 3.546-.506 1.011-1.216 1.798-2.131 2.36-.915.563-1.986.844-3.213.844Zm.009-2.139c.795 0 1.454-.21 1.977-.63.523-.421.909-.98 1.159-1.68.256-.699.383-1.468.383-2.31 0-.834-.127-1.602-.383-2.3-.25-.705-.636-1.27-1.159-1.697-.523-.426-1.182-.639-1.977-.639-.802 0-1.466.213-1.995.64-.522.426-.912.991-1.167 1.695a6.789 6.789 0 0 0-.375 2.302c0 .84.125 1.61.375 2.31.255.698.645 1.258 1.167 1.678.529.42 1.193.631 1.995.631ZM113.379 9.91v2.044h-7.151V9.91h7.151Zm-5.233-3.137h2.548v12.383c0 .495.074.867.221 1.117.148.244.339.412.572.503.238.085.497.127.775.127.205 0 .384-.014.537-.042l.358-.068.46 2.105a4.307 4.307 0 0 1-.63.17 4.992 4.992 0 0 1-1.023.102 4.483 4.483 0 0 1-1.875-.358 3.208 3.208 0 0 1-1.406-1.159c-.358-.522-.537-1.179-.537-1.968V6.773ZM98.321 23.264c-1.227 0-2.298-.281-3.213-.843-.915-.563-1.625-1.35-2.13-2.361-.506-1.012-.76-2.194-.76-3.546 0-1.358.254-2.545.76-3.562.505-1.017 1.215-1.807 2.13-2.37.915-.562 1.986-.843 3.213-.843s2.298.28 3.213.843 1.625 1.353 2.131 2.37c.505 1.017.758 2.204.758 3.562 0 1.352-.253 2.534-.758 3.546-.506 1.011-1.216 1.798-2.131 2.36-.915.563-1.986.844-3.213.844Zm.008-2.139c.796 0 1.455-.21 1.978-.63.523-.421.909-.98 1.159-1.68.256-.699.383-1.468.383-2.31 0-.834-.127-1.602-.383-2.3-.25-.705-.636-1.27-1.159-1.697-.523-.426-1.182-.639-1.978-.639-.8 0-1.465.213-1.994.64-.522.426-.912.991-1.167 1.695a6.789 6.789 0 0 0-.375 2.302c0 .84.125 1.61.375 2.31.255.698.644 1.258 1.167 1.678.529.42 1.193.631 1.995.631ZM84.065 23V9.91h2.463v2.079h.136a3.164 3.164 0 0 1 1.261-1.662 3.61 3.61 0 0 1 2.063-.614 10.896 10.896 0 0 1 1.082.06v2.437a4.577 4.577 0 0 0-.545-.094 5.202 5.202 0 0 0-.784-.06c-.603 0-1.14.129-1.611.384a2.85 2.85 0 0 0-1.517 2.566V23h-2.548ZM68.918 23V5.545h6.221c1.358 0 2.483.248 3.375.742.892.494 1.56 1.17 2.003 2.028.443.853.665 1.813.665 2.881 0 1.074-.225 2.04-.674 2.898-.443.852-1.113 1.528-2.01 2.028-.893.494-2.015.742-3.367.742h-4.279V14.63h4.04c.858 0 1.554-.148 2.088-.444.534-.3.926-.71 1.176-1.227.25-.517.375-1.105.375-1.764 0-.66-.125-1.244-.375-1.756-.25-.511-.645-.912-1.184-1.201-.534-.29-1.239-.435-2.114-.435h-3.307V23h-2.633Z"></path></svg></a></div><div class="fixed inset-x-0 top-0 z-50 flex h-14 items-center justify-between gap-12 px-4 transition sm:px-6 lg:left-72 lg:z-30 lg:px-8 xl:left-80 backdrop-blur-sm lg:left-72 xl:left-80 dark:backdrop-blur bg-white/[var(--bg-opacity-light)] dark:bg-zinc-900/[var(--bg-opacity-dark)]" style="--bg-opacity-light:0.5;--bg-opacity-dark:0.2"><div class="absolute inset-x-0 top-full h-px transition bg-zinc-900/7.5 dark:bg-white/7.5"></div><div class="hidden lg:block lg:max-w-md lg:flex-auto"><button type="button" class="hidden h-8 w-full items-center gap-2 rounded-full bg-white pl-2 pr-3 text-sm text-zinc-500 ring-1 ring-zinc-900/10 transition hover:ring-zinc-900/20 ui-not-focus-visible:outline-none lg:flex dark:bg-white/5 dark:text-zinc-400 dark:ring-inset dark:ring-white/10 dark:hover:ring-white/20"><svg viewBox="0 0 20 20" fill="none" aria-hidden="true" class="h-5 w-5 stroke-current"><path stroke-linecap="round" stroke-linejoin="round" d="M12.01 12a4.25 4.25 0 1 0-6.02-6 4.25 4.25 0 0 0 6.02 6Zm0 0 3.24 3.25"></path></svg>Find something...<kbd class="ml-auto text-2xs text-zinc-400 dark:text-zinc-500"><kbd class="font-sans"></kbd><kbd class="font-sans">K</kbd></kbd></button><span hidden="" style="position:fixed;top:1px;left:1px;width:1px;height:0;padding:0;margin:-1px;overflow:hidden;clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;display:none"></span></div><div class="flex items-center gap-5 lg:hidden"><button type="button" class="flex h-6 w-6 items-center justify-center rounded-md transition hover:bg-zinc-900/5 dark:hover:bg-white/5" aria-label="Toggle navigation"><svg viewBox="0 0 10 9" fill="none" stroke-linecap="round" aria-hidden="true" class="w-2.5 stroke-zinc-900 dark:stroke-white"><path d="M.5 1h9M.5 8h9M.5 4.5h9"></path></svg></button><span hidden="" style="position:fixed;top:1px;left:1px;width:1px;height:0;padding:0;margin:-1px;overflow:hidden;clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;display:none"></span><a aria-label="Home" href="/"><svg viewBox="0 0 162 28" aria-hidden="true" class="h-6"><path class="fill-blue-500" d="M14.362 27.78c-1.956 0-3.756-.324-5.4-.972-1.644-.648-3.072-1.566-4.284-2.754a12.247 12.247 0 0 1-2.808-4.158c-.66-1.596-.99-3.33-.99-5.202 0-2.232.342-4.212 1.026-5.94.696-1.728 1.656-3.18 2.88-4.356a12.48 12.48 0 0 1 4.284-2.7c1.632-.612 3.378-.918 5.238-.918 2.28 0 4.278.354 5.994 1.062 1.716.708 3.144 1.668 4.284 2.88a11.706 11.706 0 0 1 2.538 4.158c.552 1.548.804 3.168.756 4.86-.06 2.328-.546 4.116-1.458 5.364-.912 1.236-2.328 1.854-4.248 1.854a5.839 5.839 0 0 1-2.826-.702 3.703 3.703 0 0 1-1.764-2.07l1.044.054c-.492.924-1.164 1.572-2.016 1.944a6.464 6.464 0 0 1-2.61.558c-1.212 0-2.28-.258-3.204-.774a5.682 5.682 0 0 1-2.178-2.214c-.528-.948-.792-2.046-.792-3.294 0-1.284.276-2.394.828-3.33a5.77 5.77 0 0 1 2.232-2.196c.936-.516 1.992-.774 3.168-.774.78 0 1.59.162 2.43.486.852.324 1.512.78 1.98 1.368l-.738.936V8.664h2.412l-.054 6.462c0 .924.18 1.62.54 2.088.36.468.894.702 1.602.702.624 0 1.104-.174 1.44-.522.348-.36.588-.846.72-1.458a10.66 10.66 0 0 0 .252-2.106c.036-1.86-.24-3.426-.828-4.698-.588-1.272-1.386-2.298-2.394-3.078a9.499 9.499 0 0 0-3.294-1.71c-1.2-.36-2.394-.54-3.582-.54-1.68 0-3.174.27-4.482.81-1.308.528-2.412 1.278-3.312 2.25-.888.96-1.56 2.1-2.016 3.42-.444 1.308-.654 2.748-.63 4.32.048 1.56.33 2.964.846 4.212a9.324 9.324 0 0 0 2.16 3.204 9.38 9.38 0 0 0 3.276 2.034c1.26.468 2.64.702 4.14.702.84 0 1.674-.096 2.502-.288.84-.18 1.608-.438 2.304-.774l1.026 2.808c-.924.432-1.896.75-2.916.954a14.649 14.649 0 0 1-3.078.324Zm-.144-10.098c.852 0 1.566-.246 2.142-.738.576-.492.864-1.326.864-2.502 0-1.068-.258-1.872-.774-2.412-.504-.552-1.218-.828-2.142-.828-1.092 0-1.908.288-2.448.864-.54.576-.81 1.368-.81 2.376 0 1.032.276 1.83.828 2.394.564.564 1.344.846 2.34.846Z"></path><path class="fill-blue-600 dark:fill-blue-500" d="M51.799 7.813V5.545h13.509v2.268H59.86V23h-2.624V7.812h-5.438ZM39.392 23h-2.795l6.28-17.455h3.043L52.203 23h-2.796L44.472 8.716h-.137L39.392 23Zm.469-6.835h9.068v2.216h-9.068v-2.216Z"></path><path class="fill-zinc-700 dark:fill-zinc-400" d="M161.144 5.545V23h-2.548V5.545h2.548ZM149.649 23.264c-1.227 0-2.298-.281-3.213-.843-.915-.563-1.625-1.35-2.131-2.361-.505-1.012-.758-2.194-.758-3.546 0-1.358.253-2.545.758-3.562.506-1.017 1.216-1.807 2.131-2.37.915-.562 1.986-.843 3.213-.843s2.298.28 3.213.843 1.625 1.353 2.131 2.37c.506 1.017.758 2.204.758 3.562 0 1.352-.252 2.534-.758 3.546-.506 1.011-1.216 1.798-2.131 2.36-.915.563-1.986.844-3.213.844Zm.009-2.139c.795 0 1.454-.21 1.977-.63.523-.421.909-.98 1.159-1.68.256-.699.384-1.468.384-2.31 0-.834-.128-1.602-.384-2.3-.25-.705-.636-1.27-1.159-1.697-.523-.426-1.182-.639-1.977-.639-.801 0-1.466.213-1.995.64-.522.426-.912.991-1.167 1.695a6.789 6.789 0 0 0-.375 2.302c0 .84.125 1.61.375 2.31.255.698.645 1.258 1.167 1.678.529.42 1.194.631 1.995.631ZM136.032 23.264c-1.267 0-2.358-.287-3.273-.86-.909-.58-1.608-1.378-2.096-2.395-.489-1.018-.733-2.182-.733-3.495 0-1.33.25-2.503.75-3.52.5-1.022 1.204-1.82 2.113-2.395.909-.573 1.98-.86 3.213-.86.995 0 1.881.184 2.659.554a4.764 4.764 0 0 1 1.884 1.534c.483.659.77 1.429.861 2.31h-2.48a2.974 2.974 0 0 0-.938-1.586c-.483-.443-1.13-.665-1.943-.665-.71 0-1.332.188-1.866.563-.529.37-.941.898-1.236 1.585-.296.682-.443 1.489-.443 2.42 0 .955.144 1.779.434 2.472.29.693.699 1.23 1.227 1.61.535.382 1.162.572 1.884.572.483 0 .92-.088 1.313-.264.397-.182.73-.44.997-.776.272-.335.463-.739.571-1.21h2.48a4.823 4.823 0 0 1-.827 2.267 4.76 4.76 0 0 1-1.849 1.568c-.767.38-1.668.571-2.702.571ZM121.571 23.264c-1.227 0-2.298-.281-3.213-.843-.915-.563-1.625-1.35-2.131-2.361-.505-1.012-.758-2.194-.758-3.546 0-1.358.253-2.545.758-3.562.506-1.017 1.216-1.807 2.131-2.37.915-.562 1.986-.843 3.213-.843s2.298.28 3.213.843 1.625 1.353 2.131 2.37c.505 1.017.758 2.204.758 3.562 0 1.352-.253 2.534-.758 3.546-.506 1.011-1.216 1.798-2.131 2.36-.915.563-1.986.844-3.213.844Zm.009-2.139c.795 0 1.454-.21 1.977-.63.523-.421.909-.98 1.159-1.68.256-.699.383-1.468.383-2.31 0-.834-.127-1.602-.383-2.3-.25-.705-.636-1.27-1.159-1.697-.523-.426-1.182-.639-1.977-.639-.802 0-1.466.213-1.995.64-.522.426-.912.991-1.167 1.695a6.789 6.789 0 0 0-.375 2.302c0 .84.125 1.61.375 2.31.255.698.645 1.258 1.167 1.678.529.42 1.193.631 1.995.631ZM113.379 9.91v2.044h-7.151V9.91h7.151Zm-5.233-3.137h2.548v12.383c0 .495.074.867.221 1.117.148.244.339.412.572.503.238.085.497.127.775.127.205 0 .384-.014.537-.042l.358-.068.46 2.105a4.307 4.307 0 0 1-.63.17 4.992 4.992 0 0 1-1.023.102 4.483 4.483 0 0 1-1.875-.358 3.208 3.208 0 0 1-1.406-1.159c-.358-.522-.537-1.179-.537-1.968V6.773ZM98.321 23.264c-1.227 0-2.298-.281-3.213-.843-.915-.563-1.625-1.35-2.13-2.361-.506-1.012-.76-2.194-.76-3.546 0-1.358.254-2.545.76-3.562.505-1.017 1.215-1.807 2.13-2.37.915-.562 1.986-.843 3.213-.843s2.298.28 3.213.843 1.625 1.353 2.131 2.37c.505 1.017.758 2.204.758 3.562 0 1.352-.253 2.534-.758 3.546-.506 1.011-1.216 1.798-2.131 2.36-.915.563-1.986.844-3.213.844Zm.008-2.139c.796 0 1.455-.21 1.978-.63.523-.421.909-.98 1.159-1.68.256-.699.383-1.468.383-2.31 0-.834-.127-1.602-.383-2.3-.25-.705-.636-1.27-1.159-1.697-.523-.426-1.182-.639-1.978-.639-.8 0-1.465.213-1.994.64-.522.426-.912.991-1.167 1.695a6.789 6.789 0 0 0-.375 2.302c0 .84.125 1.61.375 2.31.255.698.644 1.258 1.167 1.678.529.42 1.193.631 1.995.631ZM84.065 23V9.91h2.463v2.079h.136a3.164 3.164 0 0 1 1.261-1.662 3.61 3.61 0 0 1 2.063-.614 10.896 10.896 0 0 1 1.082.06v2.437a4.577 4.577 0 0 0-.545-.094 5.202 5.202 0 0 0-.784-.06c-.603 0-1.14.129-1.611.384a2.85 2.85 0 0 0-1.517 2.566V23h-2.548ZM68.918 23V5.545h6.221c1.358 0 2.483.248 3.375.742.892.494 1.56 1.17 2.003 2.028.443.853.665 1.813.665 2.881 0 1.074-.225 2.04-.674 2.898-.443.852-1.113 1.528-2.01 2.028-.893.494-2.015.742-3.367.742h-4.279V14.63h4.04c.858 0 1.554-.148 2.088-.444.534-.3.926-.71 1.176-1.227.25-.517.375-1.105.375-1.764 0-.66-.125-1.244-.375-1.756-.25-.511-.645-.912-1.184-1.201-.534-.29-1.239-.435-2.114-.435h-3.307V23h-2.633Z"></path></svg></a></div><div class="flex items-center gap-5"><nav class="hidden md:block"><ul role="list" class="flex items-center gap-8"><li><a class="text-sm leading-5 text-zinc-600 transition hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/sdks">SDKs</a></li><li><a class="text-sm leading-5 text-zinc-600 transition hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="https://docs.bsky.app/blog">Blog</a></li><li><a class="text-sm leading-5 text-zinc-600 transition hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="https://github.com/bluesky-social/atproto">GitHub</a></li><select class="block w-full appearance-none rounded-md border-0 py-1.5 pl-3 pr-3 text-gray-900 ring-1 ring-inset ring-gray-300 focus:ring-2 focus:ring-indigo-600 sm:text-sm sm:leading-6 dark:bg-gray-800 dark:text-gray-100 dark:ring-gray-700"><option value="en" selected="">English</option><option value="pt">Português</option><option value="ja">日本語</option></select></ul></nav><div class="hidden md:block md:h-5 md:w-px md:bg-zinc-900/10 md:dark:bg-white/15"></div><div class="flex gap-4"><div class="contents lg:hidden"><button type="button" class="flex h-6 w-6 items-center justify-center rounded-md transition hover:bg-zinc-900/5 ui-not-focus-visible:outline-none lg:hidden dark:hover:bg-white/5" aria-label="Find something..."><svg viewBox="0 0 20 20" fill="none" aria-hidden="true" class="h-5 w-5 stroke-zinc-900 dark:stroke-white"><path stroke-linecap="round" stroke-linejoin="round" d="M12.01 12a4.25 4.25 0 1 0-6.02-6 4.25 4.25 0 0 0 6.02 6Zm0 0 3.24 3.25"></path></svg></button><span hidden="" style="position:fixed;top:1px;left:1px;width:1px;height:0;padding:0;margin:-1px;overflow:hidden;clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;display:none"></span></div><button type="button" class="flex h-6 w-6 items-center justify-center rounded-md transition hover:bg-zinc-900/5 dark:hover:bg-white/5" aria-label="Toggle theme"><svg viewBox="0 0 20 20" fill="none" aria-hidden="true" class="h-5 w-5 stroke-zinc-900 dark:hidden"><path d="M12.5 10a2.5 2.5 0 1 1-5 0 2.5 2.5 0 0 1 5 0Z"></path><path stroke-linecap="round" d="M10 5.5v-1M13.182 6.818l.707-.707M14.5 10h1M13.182 13.182l.707.707M10 15.5v-1M6.11 13.889l.708-.707M4.5 10h1M6.11 6.111l.708.707"></path></svg><svg viewBox="0 0 20 20" fill="none" aria-hidden="true" class="hidden h-5 w-5 stroke-white dark:block"><path d="M15.224 11.724a5.5 5.5 0 0 1-6.949-6.949 5.5 5.5 0 1 0 6.949 6.949Z"></path></svg></button></div></div></div><nav class="hidden lg:mt-10 lg:block"><ul role="list"><li class="md:hidden"><a class="block py-1 text-sm text-zinc-600 transition hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/">API</a></li><li class="md:hidden"><a class="block py-1 text-sm text-zinc-600 transition hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="#">Documentation</a></li><li class="md:hidden"><a class="block py-1 text-sm text-zinc-600 transition hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="#">Support</a></li><li class="relative mt-6 md:mt-0"><h2 class="text-xs font-semibold text-zinc-900 dark:text-white">Home</h2><div class="relative mt-3 pl-2"><div class="absolute inset-y-0 left-2 w-px bg-zinc-900/10 dark:bg-white/5"></div><ul role="list" class="border-l border-transparent"><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/"><span class="truncate">Introduction</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/sdks"><span class="truncate">SDKs</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/guides/glossary"><span class="truncate">Glossary</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/guides/faq"><span class="truncate">FAQ</span></a></li></ul></div></li><li class="relative mt-6"><h2 class="text-xs font-semibold text-zinc-900 dark:text-white">Building apps</h2><div class="relative mt-3 pl-2"><div class="absolute inset-y-0 left-2 w-px bg-zinc-900/10 dark:bg-white/5"></div><ul role="list" class="border-l border-transparent"><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/guides/applications"><span class="truncate">Quick start</span></a></li></ul></div></li><li class="relative mt-6"><h2 class="text-xs font-semibold text-zinc-900 dark:text-white">Guides</h2><div class="relative mt-3 pl-2"><div class="absolute inset-y-0 left-2 w-px bg-zinc-900/10 dark:bg-white/5"></div><ul role="list" class="border-l border-transparent"><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/guides/overview"><span class="truncate">Overview</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/guides/self-hosting"><span class="truncate">Self-hosting</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/guides/identity"><span class="truncate">Identity</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/guides/data-repos"><span class="truncate">Data repos</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/guides/lexicon"><span class="truncate">Schemas & Lexicon</span></a></li></ul></div></li><li class="relative mt-6"><h2 class="text-xs font-semibold text-zinc-900 dark:text-white">Specs</h2><div class="relative mt-3 pl-2"><div class="absolute inset-x-0 top-0 bg-zinc-800/2.5 will-change-transform dark:bg-white/2.5" style="border-radius:8px;height:32px;top:320px;opacity:0"></div><div class="absolute inset-y-0 left-2 w-px bg-zinc-900/10 dark:bg-white/5"></div><div class="absolute left-2 h-6 w-px bg-blue-500" style="top:324px;opacity:1"></div><ul role="list" class="border-l border-transparent"><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/atp"><span class="truncate">AT Protocol</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/data-model"><span class="truncate">Data Model</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/lexicon"><span class="truncate">Lexicon</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/cryptography"><span class="truncate">Cryptography</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/repository"><span class="truncate">Repository</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/blob"><span class="truncate">Blobs</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/label"><span class="truncate">Labels</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/xrpc"><span class="truncate">HTTP API (XRPC)</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/oauth"><span class="truncate">OAuth</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/event-stream"><span class="truncate">Event Stream</span></a></li><li class="relative"><a aria-current="page" class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-900 dark:text-white" href="/specs/did"><span class="truncate">DID</span></a><ul role="list" style="opacity:1"><li><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-7 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/did#blessed-did-methods"><span class="truncate">Blessed DID Methods</span></a></li><li><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-7 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/did#at-protocol-did-identifier-syntax"><span class="truncate">AT Protocol DID Identifier Syntax</span></a></li><li><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-7 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/did#did-documents"><span class="truncate">DID Documents</span></a></li><li><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-7 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/did#representation-of-public-keys"><span class="truncate">Representation of Public Keys</span></a></li><li><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-7 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/did#usage-and-implementation-guidelines"><span class="truncate">Usage and Implementation Guidelines</span></a></li><li><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-7 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/did#possible-future-changes"><span class="truncate">Possible Future Changes</span></a></li></ul></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/handle"><span class="truncate">Handle</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/nsid"><span class="truncate">NSID</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/record-key"><span class="truncate">Record Key</span></a></li><li class="relative"><a class="flex justify-between gap-2 py-1 pr-3 text-sm transition pl-4 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-white" href="/specs/at-uri-scheme"><span class="truncate">URI Scheme</span></a></li></ul></div></li></ul></nav></div></header><div class="relative flex h-full flex-col px-4 pt-14 sm:px-6 lg:px-8"><main class="flex-auto"><article class="flex h-full flex-col pb-24 pt-16"><div class="flex-auto prose dark:prose-invert [html_:where(&>*)]:mx-auto [html_:where(&>*)]:max-w-2xl [html_:where(&>*)]:lg:mx-[calc(50%-min(50%,theme(maxWidth.lg)))] [html_:where(&>*)]:lg:max-w-3xl"><h1>AT Protocol DIDs</h1> <p class="lead">The AT Protocol uses <a href="https://en.wikipedia.org/wiki/Decentralized_identifier">Decentralized Identifiers</a> (DIDs) as persistent, long-term account identifiers. DID is a W3C standard, with many standardized and proposed DID method implementations.</p> <h2 class="scroll-mt-24" id="blessed-did-methods"><a class="group text-inherit no-underline hover:text-inherit" href="#blessed-did-methods">Blessed DID Methods</a></h2> <p>Currently, atproto supports two DID methods:</p> <ul> <li><code>did:web</code>, which is a W3C standard based on HTTPS (and DNS). The identifier section is a hostname. This method is supported in atproto to provide an independent alternative to <code>did:plc</code>. The method is inherently tied to the domain name used, and does not provide a mechanism for migration or recovering from loss of control of the domain name. In the context of atproto, only hostname-level <code>did:web</code> DIDs are supported: path-based DIDs are not supported. The same restrictions on top-level domains that apply to handles (eg, no <code>.arpa</code>) also apply to <code>did:web</code> domains. The special <code>localhost</code> hostname is allowed, but only in testing and development environments. Port numbers (with separating colon hex-encoded) are only allowed for <code>localhost</code>, and only in testing and development.</li> <li><code>did:plc</code>, which is a novel DID method developed by Bluesky. See the <a href="https://github.com/did-method-plc/did-method-plc">did-method-plc</a> GitHub repository for details.</li> </ul> <p>In the future, a small number of additional methods may be supported. It is not the intention to support all or even many DID methods, even with the existence of universal resolver software.</p> <h2 class="scroll-mt-24" id="at-protocol-did-identifier-syntax"><a class="group text-inherit no-underline hover:text-inherit" href="#at-protocol-did-identifier-syntax">AT Protocol DID Identifier Syntax</a></h2> <p>Lexicon string format type: <code>did</code></p> <p>The DID Core specification constraints on DID identifier syntax, regardless of the method used. A summary of those syntax constraints, which may be used to validate DID generically in atproto are:</p> <ul> <li>The entire URI is made up of a subset of ASCII, containing letters (<code>A-Z</code>, <code>a-z</code>), digits (<code>0-9</code>), period, underscore, colon, percent sign, or hyphen (<code>._:%-</code>)</li> <li>The URI is case-sensitive</li> <li>The URI starts with lowercase <code>did:</code></li> <li>The method segment is one or more lowercase letters (<code>a-z</code>), followed by <code>:</code></li> <li>The remainder of the URI (the identifier) may contain any of the above-allowed ASCII characters, except for percent-sign (<code>%</code>)</li> <li>The URI (and thus the remaining identifier) may not end in <code>:</code>.</li> <li>Percent-sign (<code>%</code>) is used for "percent encoding" in the identifier section, and must always be followed by two hex characters</li> <li>Query (<code>?</code>) and fragment (<code>#</code>) sections are allowed in DID URIs, but not in DID identifiers. In the context of atproto, the query and fragment parts are not allowed.</li> </ul> <p>DID identifiers do not generally have a maximum length restriction, but in the context of atproto, there is an initial hard limit of 2 KB.</p> <p>In the context of atproto, implementations do not need to validate percent encoding. The percent symbol is allowed in DID identifier segments, but the identifier should not end in a percent symbol. A DID containing invalid percent encoding <em>should</em> fail any attempt at registration, resolution, etc.</p> <p>A reasonable starting-point regex for DIDs in the context of atproto is:</p> <div class="my-6 overflow-hidden rounded-2xl bg-zinc-50 dark:bg-zinc-900 dark:ring-1 dark:ring-white/10"><div class="not-prose"><div class="group dark:bg-white/2.5"><div class="relative"><pre class="overflow-x-auto p-4 text-xs text-black dark:text-white"><code>// NOTE: does not constrain overall length /^did:[a-z]+:[a-zA-Z0-9._:%-]*[a-zA-Z0-9._-]$/ </code></pre><button type="button" class="group/button absolute right-4 top-3.5 overflow-hidden rounded-full py-1 pl-2 pr-3 text-2xs font-medium opacity-0 backdrop-blur transition focus:opacity-100 group-hover:opacity-100 bg-white/5 hover:bg-white/7.5 dark:bg-white/2.5 dark:hover:bg-white/5"><span aria-hidden="false" class="pointer-events-none flex items-center gap-0.5 text-zinc-400 transition duration-300"><svg viewBox="0 0 20 20" aria-hidden="true" class="h-5 w-5 fill-zinc-500/20 stroke-zinc-500 transition-colors group-hover/button:stroke-zinc-400"><path stroke-width="0" d="M5.5 13.5v-5a2 2 0 0 1 2-2l.447-.894A2 2 0 0 1 9.737 4.5h.527a2 2 0 0 1 1.789 1.106l.447.894a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-5a2 2 0 0 1-2-2Z"></path><path fill="none" stroke-linejoin="round" d="M12.5 6.5a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-5a2 2 0 0 1-2-2v-5a2 2 0 0 1 2-2m5 0-.447-.894a2 2 0 0 0-1.79-1.106h-.527a2 2 0 0 0-1.789 1.106L7.5 6.5m5 0-1 1h-3l-1-1"></path></svg>Copy</span><span aria-hidden="true" class="pointer-events-none absolute inset-0 flex items-center justify-center text-blue-400 transition duration-300 translate-y-1.5 opacity-0">Copied!</span></button></div></div></div></div> <h3>Examples</h3> <p>Valid DIDs for use in atproto (correct syntax, and supported method):</p> <div class="my-6 overflow-hidden rounded-2xl bg-zinc-50 dark:bg-zinc-900 dark:ring-1 dark:ring-white/10"><div class="not-prose"><div class="group dark:bg-white/2.5"><div class="relative"><pre class="overflow-x-auto p-4 text-xs text-black dark:text-white"><code>did:plc:z72i7hdynmk6r22z27h6tvur did:web:blueskyweb.xyz </code></pre><button type="button" class="group/button absolute right-4 top-3.5 overflow-hidden rounded-full py-1 pl-2 pr-3 text-2xs font-medium opacity-0 backdrop-blur transition focus:opacity-100 group-hover:opacity-100 bg-white/5 hover:bg-white/7.5 dark:bg-white/2.5 dark:hover:bg-white/5"><span aria-hidden="false" class="pointer-events-none flex items-center gap-0.5 text-zinc-400 transition duration-300"><svg viewBox="0 0 20 20" aria-hidden="true" class="h-5 w-5 fill-zinc-500/20 stroke-zinc-500 transition-colors group-hover/button:stroke-zinc-400"><path stroke-width="0" d="M5.5 13.5v-5a2 2 0 0 1 2-2l.447-.894A2 2 0 0 1 9.737 4.5h.527a2 2 0 0 1 1.789 1.106l.447.894a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-5a2 2 0 0 1-2-2Z"></path><path fill="none" stroke-linejoin="round" d="M12.5 6.5a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-5a2 2 0 0 1-2-2v-5a2 2 0 0 1 2-2m5 0-.447-.894a2 2 0 0 0-1.79-1.106h-.527a2 2 0 0 0-1.789 1.106L7.5 6.5m5 0-1 1h-3l-1-1"></path></svg>Copy</span><span aria-hidden="true" class="pointer-events-none absolute inset-0 flex items-center justify-center text-blue-400 transition duration-300 translate-y-1.5 opacity-0">Copied!</span></button></div></div></div></div> <p>Valid DID syntax (would pass Lexicon syntax validation), but unsupported DID method:</p> <div class="my-6 overflow-hidden rounded-2xl bg-zinc-50 dark:bg-zinc-900 dark:ring-1 dark:ring-white/10"><div class="not-prose"><div class="group dark:bg-white/2.5"><div class="relative"><pre class="overflow-x-auto p-4 text-xs text-black dark:text-white"><code>did:method:val:two did:m:v did:method::::val did:method:-:_:. did:key:zQ3shZc2QzApp2oymGvQbzP8eKheVshBHbU4ZYjeXqwSKEn6N </code></pre><button type="button" class="group/button absolute right-4 top-3.5 overflow-hidden rounded-full py-1 pl-2 pr-3 text-2xs font-medium opacity-0 backdrop-blur transition focus:opacity-100 group-hover:opacity-100 bg-white/5 hover:bg-white/7.5 dark:bg-white/2.5 dark:hover:bg-white/5"><span aria-hidden="false" class="pointer-events-none flex items-center gap-0.5 text-zinc-400 transition duration-300"><svg viewBox="0 0 20 20" aria-hidden="true" class="h-5 w-5 fill-zinc-500/20 stroke-zinc-500 transition-colors group-hover/button:stroke-zinc-400"><path stroke-width="0" d="M5.5 13.5v-5a2 2 0 0 1 2-2l.447-.894A2 2 0 0 1 9.737 4.5h.527a2 2 0 0 1 1.789 1.106l.447.894a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-5a2 2 0 0 1-2-2Z"></path><path fill="none" stroke-linejoin="round" d="M12.5 6.5a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-5a2 2 0 0 1-2-2v-5a2 2 0 0 1 2-2m5 0-.447-.894a2 2 0 0 0-1.79-1.106h-.527a2 2 0 0 0-1.789 1.106L7.5 6.5m5 0-1 1h-3l-1-1"></path></svg>Copy</span><span aria-hidden="true" class="pointer-events-none absolute inset-0 flex items-center justify-center text-blue-400 transition duration-300 translate-y-1.5 opacity-0">Copied!</span></button></div></div></div></div> <p>Invalid DID identifier syntax (regardless of DID method):</p> <div class="my-6 overflow-hidden rounded-2xl bg-zinc-50 dark:bg-zinc-900 dark:ring-1 dark:ring-white/10"><div class="not-prose"><div class="group dark:bg-white/2.5"><div class="relative"><pre class="overflow-x-auto p-4 text-xs text-black dark:text-white"><code>did:METHOD:val did:m123:val DID:method:val did:method: did:method:val/two did:method:val?two did:method:val#two </code></pre><button type="button" class="group/button absolute right-4 top-3.5 overflow-hidden rounded-full py-1 pl-2 pr-3 text-2xs font-medium opacity-0 backdrop-blur transition focus:opacity-100 group-hover:opacity-100 bg-white/5 hover:bg-white/7.5 dark:bg-white/2.5 dark:hover:bg-white/5"><span aria-hidden="false" class="pointer-events-none flex items-center gap-0.5 text-zinc-400 transition duration-300"><svg viewBox="0 0 20 20" aria-hidden="true" class="h-5 w-5 fill-zinc-500/20 stroke-zinc-500 transition-colors group-hover/button:stroke-zinc-400"><path stroke-width="0" d="M5.5 13.5v-5a2 2 0 0 1 2-2l.447-.894A2 2 0 0 1 9.737 4.5h.527a2 2 0 0 1 1.789 1.106l.447.894a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-5a2 2 0 0 1-2-2Z"></path><path fill="none" stroke-linejoin="round" d="M12.5 6.5a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-5a2 2 0 0 1-2-2v-5a2 2 0 0 1 2-2m5 0-.447-.894a2 2 0 0 0-1.79-1.106h-.527a2 2 0 0 0-1.789 1.106L7.5 6.5m5 0-1 1h-3l-1-1"></path></svg>Copy</span><span aria-hidden="true" class="pointer-events-none absolute inset-0 flex items-center justify-center text-blue-400 transition duration-300 translate-y-1.5 opacity-0">Copied!</span></button></div></div></div></div> <h2 class="scroll-mt-24" id="did-documents"><a class="group text-inherit no-underline hover:text-inherit" href="#did-documents">DID Documents</a></h2> <p>After a DID document has been resolved, atproto-specific information needs to be extracted. This parsing process is agnostic to the DID method used to resolve the document.</p> <p>The current <strong>handle</strong> for the DID is found in the <code>alsoKnownAs</code> array. Each element of this array is a URI. Handles will have the URI scheme <code>at://</code>, followed by the handle, with no path or other URI parts. The current primary handle is the first valid handle URI found in the ordered list. Any other handle URIs should be ignored.</p> <p>It is crucial to validate the handle bidirectionally, by resolving the handle to a DID and checking that it matches the current DID document.</p> <p>The DID is the primary account identifier, and an account whose DID document does not contain a valid and confirmed handle can still, in theory, participate in the atproto ecosystem. Software should be careful to either not display any handle for such account, or obviously indicate that any handle associated with it is invalid.</p> <p>The public <strong>signing key</strong> for the account is found under the <code>verificationMethod</code> array, in an object with <code>id</code> ending <code>#atproto</code>, and the <code>controller</code> matching the DID itself. The first valid atproto signing key in the array should be used, and any others ignored. The <code>type</code> field will indicate the cryptographic curve type, and the <code>publicKeyMultibase</code> field will be the public key in multibase encoding. See below for details for parsing these fields.</p> <p>A valid signing key is required for atproto functionality, and an account with no valid key in their DID document is broken.</p> <p>The <strong>PDS service network location</strong> for the account is found under the <code>service</code> array, with <code>id</code> ending <code>#atproto_pds</code>, and <code>type</code> matching <code>AtprotoPersonalDataServer</code>. The first matching entry in the array should be used, and any others ignored. The <code>serviceEndpoint</code> field must contain an HTTPS URL of server. It should contain only the URI scheme (<code>http</code> or <code>https</code>), hostname, and optional port number, not any "userinfo", path prefix, or other components.</p> <p>A working PDS is required for atproto account functionality, and an account with no valid PDS location in their DID document is broken.</p> <p>Note that a valid URL doesn't mean the the PDS itself is currently functional or hosting content for the account. During account migrations or server downtime there may be windows when the PDS is not accessible, but this does not mean the account should immediately be considered broken or invalid.</p> <h2 class="scroll-mt-24" id="representation-of-public-keys"><a class="group text-inherit no-underline hover:text-inherit" href="#representation-of-public-keys">Representation of Public Keys</a></h2> <p>The atproto cryptographic systems are described in <a href="/specs/cryptography">Cryptography</a>, including details of byte and string encoding of public keys.</p> <p>Public keys in DID documents under <code>verificationMethod</code>, including atproto signing keys, are represented as an object with the following fields:</p> <ul> <li><code>id</code> (string, required): the DID followed by an identifying fragment. Use <code>#atproto</code> as the fragment for atproto signing keys</li> <li><code>type</code> (string, required): the fixed string <code>Multikey</code></li> <li><code>controller</code> (string, required): DID controlling the key, which in the current version of atproto must match the account DID itself</li> <li><code>publicKeyMultibase</code> (string, required): the public key itself, encoded in multibase format (with multicodec type indicator, and "compressed" key bytes)</li> </ul> <p>The <code>publicKeyMultibase</code> format for <code>Multikey</code> is the same encoding scheme as used with <code>did:key</code>, but without the <code>did:key:</code> prefix. See <a href="/specs/cryptography">Cryptography</a> for details.</p> <p>Note that there is not yet a formal W3C standard for using P-256 public keys in DID <code>verificationMethod</code> sections, but that the <code>Multikey</code> standard does clarify what the encoding encoding should be for this key type.</p> <h3>Legacy Representation</h3> <p>Some older DID documents, which may still appear in <code>did:web</code> docs, had slightly different key encodings and <code>verificationMethod</code> syntax. Implementations may support these older DID documents during a transition period, but the intentent is to require DID specification compliance going forward.</p> <p>The older <code>verificationMethod</code> for atproto signing keys contained:</p> <ul> <li><code>id</code> (string, required): the fixed string <code>#atproto</code>, without the full DID included</li> <li><code>type</code> (string, required): a fixed name identifying the key's curve type <ul> <li><code>p256</code>: <code>EcdsaSecp256r1VerificationKey2019</code> (note the "r")</li> <li><code>k256</code>: <code>EcdsaSecp256k1VerificationKey2019</code> (note the "k")</li> </ul> </li> <li><code>controller</code> (string, required): DID controlling the key, which in the current version of atproto must match the account DID itself</li> <li><code>publicKeyMultibase</code> (string, required): the public key itself, encoded in multibase format (<em>without</em> multicodec, and <em>uncompressed</em> key bytes)</li> </ul> <p>Note that the <code>EcdsaSecp256r1VerificationKey2019</code> type is not a final W3C standard.</p> <p>The <code>EcdsaSecp256r1VerificationKey2019</code> <code>verificationMethod</code> is not a final W3C standard. We will move to whatever ends up standardized by W3C for representing P-256 public keys with <code>publicKeyMultibase</code>. This may mean a transition to <code>Multikey</code>, and we would transition K-256 representations to that <code>type</code> as well.</p> <p>A summary of the multibase encoding in this context:</p> <ul> <li>Start with the full public key bytes. Do not use the "compressed" or "compact" representation (unlike for <code>did:key</code> or <code>Multikey</code> encoding)</li> <li>Do <em>not</em> prefix with a multicodec value indicating the key type</li> <li>Encode the key bytes with <code>base58btc</code>, yielding a string</li> <li>Add the character <code>z</code> as a prefix, to indicate the multibase, and include no other multicodec indicators</li> </ul> <p>The decoding process is the same in reverse, using the curve type as context.</p> <p>Here is an example of a single public key encoded in the legacy and current formats:</p> <div class="my-6 overflow-hidden rounded-2xl bg-zinc-50 dark:bg-zinc-900 dark:ring-1 dark:ring-white/10"><div class="not-prose"><div class="group dark:bg-white/2.5"><div class="relative"><pre class="overflow-x-auto p-4 text-xs text-black dark:text-white"><code>// legacy multibase encoding of K-256 public key { "id": ..., "controller": ..., "type": "EcdsaSecp256k1VerificationKey2019", "publicKeyMultibase": "zQYEBzXeuTM9UR3rfvNag6L3RNAs5pQZyYPsomTsgQhsxLdEgCrPTLgFna8yqCnxPpNT7DBk6Ym3dgPKNu86vt9GR" } // preferred multibase encoding of same K-256 public key { "id": ..., "controller": ..., "type": "Multikey", "publicKeyMultibase": "zQ3shXjHeiBuRCKmM36cuYnm7YEMzhGnCmCyW92sRJ9pribSF" } </code></pre><button type="button" class="group/button absolute right-4 top-3.5 overflow-hidden rounded-full py-1 pl-2 pr-3 text-2xs font-medium opacity-0 backdrop-blur transition focus:opacity-100 group-hover:opacity-100 bg-white/5 hover:bg-white/7.5 dark:bg-white/2.5 dark:hover:bg-white/5"><span aria-hidden="false" class="pointer-events-none flex items-center gap-0.5 text-zinc-400 transition duration-300"><svg viewBox="0 0 20 20" aria-hidden="true" class="h-5 w-5 fill-zinc-500/20 stroke-zinc-500 transition-colors group-hover/button:stroke-zinc-400"><path stroke-width="0" d="M5.5 13.5v-5a2 2 0 0 1 2-2l.447-.894A2 2 0 0 1 9.737 4.5h.527a2 2 0 0 1 1.789 1.106l.447.894a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-5a2 2 0 0 1-2-2Z"></path><path fill="none" stroke-linejoin="round" d="M12.5 6.5a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-5a2 2 0 0 1-2-2v-5a2 2 0 0 1 2-2m5 0-.447-.894a2 2 0 0 0-1.79-1.106h-.527a2 2 0 0 0-1.789 1.106L7.5 6.5m5 0-1 1h-3l-1-1"></path></svg>Copy</span><span aria-hidden="true" class="pointer-events-none absolute inset-0 flex items-center justify-center text-blue-400 transition duration-300 translate-y-1.5 opacity-0">Copied!</span></button></div></div></div></div> <h2 class="scroll-mt-24" id="usage-and-implementation-guidelines"><a class="group text-inherit no-underline hover:text-inherit" href="#usage-and-implementation-guidelines">Usage and Implementation Guidelines</a></h2> <p>Protocol implementations should be flexible to processing content containing DIDs based on unsupported DID methods. This is important to allow gradual evolution of the protocol ecosystem over time. In other words, implementations should distinguish between at least the distinct cases "invalid DID syntax", "unsupported DID method" and "supported DID method, but specific DID resolution failed".</p> <p>While longer DIDs are supported in the protocol, a good best practice is to use relatively short DIDs, and to avoid DIDs longer than 64 characters.</p> <p>DIDs are case-sensitive. While the currently-supported methods are <em>not</em> case sensitive, and could be safely lowercased, protocol implementations should reject DIDs with invalid casing. It is permissible to attempt case normalization when receiving user-controlled input, such as when parsing public URL path components, or text input fields.</p> <h2 class="scroll-mt-24" id="possible-future-changes"><a class="group text-inherit no-underline hover:text-inherit" href="#possible-future-changes">Possible Future Changes</a></h2> <p>The hard maximum DID length limit may be reduced, at the protocol syntax level. We are not aware of any DID methods that we would consider supporting which have identifiers longer than, say, 256 characters.</p> <p>There is a good chance that the set of "blessed" DID methods will slowly expand over time.</p></div></article></main><footer class="mx-auto w-full max-w-2xl space-y-10 pb-16 lg:max-w-5xl"><div class="flex"><div class="flex flex-col items-start gap-3"><a class="inline-flex gap-0.5 justify-center overflow-hidden text-sm font-medium transition rounded-full bg-zinc-100 py-1 px-3 text-zinc-900 hover:bg-zinc-200 dark:bg-zinc-800/40 dark:text-zinc-400 dark:ring-1 dark:ring-inset dark:ring-zinc-800 dark:hover:bg-zinc-800 dark:hover:text-zinc-300" aria-label="Previous: Event Stream" href="/specs/event-stream"><svg viewBox="0 0 20 20" fill="none" aria-hidden="true" class="mt-0.5 h-5 w-5 -ml-1 rotate-180"><path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" d="m11.5 6.5 3 3.5m0 0-3 3.5m3-3.5h-9"></path></svg>Previous</a><a tabindex="-1" aria-hidden="true" class="text-base font-semibold text-zinc-900 transition hover:text-zinc-600 dark:text-white dark:hover:text-zinc-300" href="/specs/event-stream">Event Stream</a></div><div class="ml-auto flex flex-col items-end gap-3"><a class="inline-flex gap-0.5 justify-center overflow-hidden text-sm font-medium transition rounded-full bg-zinc-100 py-1 px-3 text-zinc-900 hover:bg-zinc-200 dark:bg-zinc-800/40 dark:text-zinc-400 dark:ring-1 dark:ring-inset dark:ring-zinc-800 dark:hover:bg-zinc-800 dark:hover:text-zinc-300" aria-label="Next: Handle" href="/specs/handle">Next<svg viewBox="0 0 20 20" fill="none" aria-hidden="true" class="mt-0.5 h-5 w-5 -mr-1"><path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" d="m11.5 6.5 3 3.5m0 0-3 3.5m3-3.5h-9"></path></svg></a><a tabindex="-1" aria-hidden="true" class="text-base font-semibold text-zinc-900 transition hover:text-zinc-600 dark:text-white dark:hover:text-zinc-300" href="/specs/handle">Handle</a></div></div><div class="flex flex-col items-center justify-between gap-5 border-t border-zinc-900/5 pt-8 sm:flex-row dark:border-white/5"><p class="text-xs text-zinc-600 dark:text-zinc-400">© Copyright 2024. All rights reserved.</p><div class="flex gap-4"><a class="group" href="https://bsky.app/profile/atproto.com"><span class="sr-only">Follow us on Bluesky</span><svg viewBox="0 0 360 320" aria-hidden="true" class="h-5 w-5 fill-zinc-700 transition group-hover:fill-zinc-900 dark:group-hover:fill-zinc-500"><path d="M180 141.964C163.699 110.262 119.308 51.1817 78.0347 22.044C38.4971 -5.86834 23.414 -1.03207 13.526 3.43594C2.08093 8.60755 0 26.1785 0 36.5164C0 46.8542 5.66748 121.272 9.36416 133.694C21.5786 174.738 65.0603 188.607 105.104 184.156C107.151 183.852 109.227 183.572 111.329 183.312C109.267 183.642 107.19 183.924 105.104 184.156C46.4204 192.847 -5.69621 214.233 62.6582 290.33C137.848 368.18 165.705 273.637 180 225.702C194.295 273.637 210.76 364.771 295.995 290.33C360 225.702 313.58 192.85 254.896 184.158C252.81 183.926 250.733 183.645 248.671 183.315C250.773 183.574 252.849 183.855 254.896 184.158C294.94 188.61 338.421 174.74 350.636 133.697C354.333 121.275 360 46.8568 360 36.519C360 26.1811 357.919 8.61012 346.474 3.43851C336.586 -1.02949 321.503 -5.86576 281.965 22.0466C240.692 51.1843 196.301 110.262 180 141.964Z"></path></svg></a><a class="group" href="https://github.com/bluesky-social"><span class="sr-only">Follow us on GitHub</span><svg viewBox="0 0 20 20" aria-hidden="true" class="h-5 w-5 fill-zinc-700 transition group-hover:fill-zinc-900 dark:group-hover:fill-zinc-500"><path fill-rule="evenodd" clip-rule="evenodd" d="M10 1.667c-4.605 0-8.334 3.823-8.334 8.544 0 3.78 2.385 6.974 5.698 8.106.417.075.573-.182.573-.406 0-.203-.011-.875-.011-1.592-2.093.397-2.635-.522-2.802-1.002-.094-.246-.5-1.005-.854-1.207-.291-.16-.708-.556-.01-.567.656-.01 1.124.62 1.281.876.75 1.292 1.948.93 2.427.705.073-.555.291-.93.531-1.143-1.854-.213-3.791-.95-3.791-4.218 0-.929.322-1.698.854-2.296-.083-.214-.375-1.09.083-2.265 0 0 .698-.224 2.292.876a7.576 7.576 0 0 1 2.083-.288c.709 0 1.417.096 2.084.288 1.593-1.11 2.291-.875 2.291-.875.459 1.174.167 2.05.084 2.263.53.599.854 1.357.854 2.297 0 3.278-1.948 4.005-3.802 4.219.302.266.563.78.563 1.58 0 1.143-.011 2.061-.011 2.35 0 .224.156.491.573.405a8.365 8.365 0 0 0 4.11-3.116 8.707 8.707 0 0 0 1.567-4.99c0-4.721-3.73-8.545-8.334-8.545Z"></path></svg></a></div></div></footer></div></div></div><script src="/_next/static/chunks/webpack-496a37b6c26ccd6a.js" async=""></script><script>(self.__next_f=self.__next_f||[]).push([0]);self.__next_f.push([2,null])</script><script>self.__next_f.push([1,"1:HL[\"/_next/static/css/786ca9324488b5df.css\",\"style\"]\n"])</script><script>self.__next_f.push([1,"2:I[2846,[],\"\"]\n4:I[2972,[\"972\",\"static/chunks/972-f3553dcbba031b91.js\",\"135\",\"static/chunks/135-8f28b0a70a96c388.js\",\"212\",\"static/chunks/212-67e821188dcd5fb8.js\",\"869\",\"static/chunks/app/%5Blocale%5D/specs/did/page-48ea0a7c43d7f389.js\"],\"\"]\n5:I[1684,[\"972\",\"static/chunks/972-f3553dcbba031b91.js\",\"135\",\"static/chunks/135-8f28b0a70a96c388.js\",\"212\",\"static/chunks/212-67e821188dcd5fb8.js\",\"869\",\"static/chunks/app/%5Blocale%5D/specs/did/page-48ea0a7c43d7f389.js\"],\"Heading\"]\n6:I[2510,[\"972\",\"static/chunks/972-f3553dcbba031b91.js\",\"135\",\"static/chunks/135-8f28b0a70a96c388.js\",\"212\",\"static/chunks/212-67e821188dcd5fb8.js\",\"869\",\"static/chunks/app/%5Blocale%5D/specs/did/page-48ea0a7c43d7f389.js\"],\"Code\"]\n7:I[2510,[\"972\",\"static/chunks/972-f3553dcbba031b91.js\",\"135\",\"static/chunks/135-8f28b0a70a96c388.js\",\"212\",\"static/chunks/212-67e821188dcd5fb8.js\",\"869\",\"static/chunks/app/%5Blocale%5D/specs/did/page-48ea0a7c43d7f389.js\"],\"Pre\"]\n8:I[4707,[],\"\"]\na:I[6423,[],\"\"]\nd:I[1060,[],\"\"]\n9:[\"locale\",\"en\",\"d\"]\ne:[]\n"])</script><script>self.__next_f.push([1,"0:[\"$\",\"$L2\",null,{\"buildId\":\"UWK7gfTTdjb8rbg3vyV6o\",\"assetPrefix\":\"\",\"urlParts\":[\"\",\"specs\",\"did\"],\"initialTree\":[\"\",{\"children\":[[\"locale\",\"en\",\"d\"],{\"children\":[\"specs\",{\"children\":[\"did\",{\"children\":[\"__PAGE__\",{}]}]}]},\"$undefined\",\"$undefined\",true]}],\"initialSeedData\":[\"\",{\"children\":[[\"locale\",\"en\",\"d\"],{\"children\":[\"specs\",{\"children\":[\"did\",{\"children\":[\"__PAGE__\",{},[[\"$L3\",[\"$\",\"article\",null,{\"className\":\"flex h-full flex-col pb-24 pt-16\",\"children\":[\"$\",\"div\",null,{\"className\":\"flex-auto prose dark:prose-invert [html_:where(\u0026\u003e*)]:mx-auto [html_:where(\u0026\u003e*)]:max-w-2xl [html_:where(\u0026\u003e*)]:lg:mx-[calc(50%-min(50%,theme(maxWidth.lg)))] [html_:where(\u0026\u003e*)]:lg:max-w-3xl\",\"children\":[[\"$\",\"h1\",null,{\"children\":\"AT Protocol DIDs\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":[\"The AT Protocol uses \",[\"$\",\"$L4\",null,{\"href\":\"https://en.wikipedia.org/wiki/Decentralized_identifier\",\"children\":\"Decentralized Identifiers\"}],\" (DIDs) as persistent, long-term account identifiers. DID is a W3C standard, with many standardized and proposed DID method implementations.\"],\"className\":\"lead\"}],\"\\n\",[\"$\",\"$L5\",null,{\"level\":2,\"id\":\"blessed-did-methods\",\"children\":\"Blessed DID Methods\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"Currently, atproto supports two DID methods:\"}],\"\\n\",[\"$\",\"ul\",null,{\"children\":[\"\\n\",[\"$\",\"li\",null,{\"children\":[[\"$\",\"$L6\",null,{\"children\":\"did:web\"}],\", which is a W3C standard based on HTTPS (and DNS). The identifier section is a hostname. This method is supported in atproto to provide an independent alternative to \",[\"$\",\"$L6\",null,{\"children\":\"did:plc\"}],\". The method is inherently tied to the domain name used, and does not provide a mechanism for migration or recovering from loss of control of the domain name. In the context of atproto, only hostname-level \",[\"$\",\"$L6\",null,{\"children\":\"did:web\"}],\" DIDs are supported: path-based DIDs are not supported. The same restrictions on top-level domains that apply to handles (eg, no \",[\"$\",\"$L6\",null,{\"children\":\".arpa\"}],\") also apply to \",[\"$\",\"$L6\",null,{\"children\":\"did:web\"}],\" domains. The special \",[\"$\",\"$L6\",null,{\"children\":\"localhost\"}],\" hostname is allowed, but only in testing and development environments. Port numbers (with separating colon hex-encoded) are only allowed for \",[\"$\",\"$L6\",null,{\"children\":\"localhost\"}],\", and only in testing and development.\"]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[[\"$\",\"$L6\",null,{\"children\":\"did:plc\"}],\", which is a novel DID method developed by Bluesky. See the \",[\"$\",\"$L4\",null,{\"href\":\"https://github.com/did-method-plc/did-method-plc\",\"children\":\"did-method-plc\"}],\" GitHub repository for details.\"]}],\"\\n\"]}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"In the future, a small number of additional methods may be supported. It is not the intention to support all or even many DID methods, even with the existence of universal resolver software.\"}],\"\\n\",[\"$\",\"$L5\",null,{\"level\":2,\"id\":\"at-protocol-did-identifier-syntax\",\"children\":\"AT Protocol DID Identifier Syntax\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":[\"Lexicon string format type: \",[\"$\",\"$L6\",null,{\"children\":\"did\"}]]}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"The DID Core specification constraints on DID identifier syntax, regardless of the method used. A summary of those syntax constraints, which may be used to validate DID generically in atproto are:\"}],\"\\n\",[\"$\",\"ul\",null,{\"children\":[\"\\n\",[\"$\",\"li\",null,{\"children\":[\"The entire URI is made up of a subset of ASCII, containing letters (\",[\"$\",\"$L6\",null,{\"children\":\"A-Z\"}],\", \",[\"$\",\"$L6\",null,{\"children\":\"a-z\"}],\"), digits (\",[\"$\",\"$L6\",null,{\"children\":\"0-9\"}],\"), period, underscore, colon, percent sign, or hyphen (\",[\"$\",\"$L6\",null,{\"children\":\"._:%-\"}],\")\"]}],\"\\n\",[\"$\",\"li\",null,{\"children\":\"The URI is case-sensitive\"}],\"\\n\",[\"$\",\"li\",null,{\"children\":[\"The URI starts with lowercase \",[\"$\",\"$L6\",null,{\"children\":\"did:\"}]]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[\"The method segment is one or more lowercase letters (\",[\"$\",\"$L6\",null,{\"children\":\"a-z\"}],\"), followed by \",[\"$\",\"$L6\",null,{\"children\":\":\"}]]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[\"The remainder of the URI (the identifier) may contain any of the above-allowed ASCII characters, except for percent-sign (\",[\"$\",\"$L6\",null,{\"children\":\"%\"}],\")\"]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[\"The URI (and thus the remaining identifier) may not end in \",[\"$\",\"$L6\",null,{\"children\":\":\"}],\".\"]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[\"Percent-sign (\",[\"$\",\"$L6\",null,{\"children\":\"%\"}],\") is used for \\\"percent encoding\\\" in the identifier section, and must always be followed by two hex characters\"]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[\"Query (\",[\"$\",\"$L6\",null,{\"children\":\"?\"}],\") and fragment (\",[\"$\",\"$L6\",null,{\"children\":\"#\"}],\") sections are allowed in DID URIs, but not in DID identifiers. In the context of atproto, the query and fragment parts are not allowed.\"]}],\"\\n\"]}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"DID identifiers do not generally have a maximum length restriction, but in the context of atproto, there is an initial hard limit of 2 KB.\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":[\"In the context of atproto, implementations do not need to validate percent encoding. The percent symbol is allowed in DID identifier segments, but the identifier should not end in a percent symbol. A DID containing invalid percent encoding \",[\"$\",\"em\",null,{\"children\":\"should\"}],\" fail any attempt at registration, resolution, etc.\"]}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"A reasonable starting-point regex for DIDs in the context of atproto is:\"}],\"\\n\",[\"$\",\"$L7\",null,{\"code\":\"// NOTE: does not constrain overall length\\n/^did:[a-z]+:[a-zA-Z0-9._:%-]*[a-zA-Z0-9._-]$/\\n\",\"children\":[\"$\",\"$L6\",null,{\"children\":\"// NOTE: does not constrain overall length\\n/^did:[a-z]+:[a-zA-Z0-9._:%-]*[a-zA-Z0-9._-]$/\\n\"}]}],\"\\n\",[\"$\",\"h3\",null,{\"children\":\"Examples\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"Valid DIDs for use in atproto (correct syntax, and supported method):\"}],\"\\n\",[\"$\",\"$L7\",null,{\"code\":\"did:plc:z72i7hdynmk6r22z27h6tvur\\ndid:web:blueskyweb.xyz\\n\",\"children\":[\"$\",\"$L6\",null,{\"children\":\"did:plc:z72i7hdynmk6r22z27h6tvur\\ndid:web:blueskyweb.xyz\\n\"}]}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"Valid DID syntax (would pass Lexicon syntax validation), but unsupported DID method:\"}],\"\\n\",[\"$\",\"$L7\",null,{\"code\":\"did:method:val:two\\ndid:m:v\\ndid:method::::val\\ndid:method:-:_:.\\ndid:key:zQ3shZc2QzApp2oymGvQbzP8eKheVshBHbU4ZYjeXqwSKEn6N\\n\",\"children\":[\"$\",\"$L6\",null,{\"children\":\"did:method:val:two\\ndid:m:v\\ndid:method::::val\\ndid:method:-:_:.\\ndid:key:zQ3shZc2QzApp2oymGvQbzP8eKheVshBHbU4ZYjeXqwSKEn6N\\n\"}]}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"Invalid DID identifier syntax (regardless of DID method):\"}],\"\\n\",[\"$\",\"$L7\",null,{\"code\":\"did:METHOD:val\\ndid:m123:val\\nDID:method:val\\ndid:method:\\ndid:method:val/two\\ndid:method:val?two\\ndid:method:val#two\\n\",\"children\":[\"$\",\"$L6\",null,{\"children\":\"did:METHOD:val\\ndid:m123:val\\nDID:method:val\\ndid:method:\\ndid:method:val/two\\ndid:method:val?two\\ndid:method:val#two\\n\"}]}],\"\\n\",[\"$\",\"$L5\",null,{\"level\":2,\"id\":\"did-documents\",\"children\":\"DID Documents\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"After a DID document has been resolved, atproto-specific information needs to be extracted. This parsing process is agnostic to the DID method used to resolve the document.\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":[\"The current \",[\"$\",\"strong\",null,{\"children\":\"handle\"}],\" for the DID is found in the \",[\"$\",\"$L6\",null,{\"children\":\"alsoKnownAs\"}],\" array. Each element of this array is a URI. Handles will have the URI scheme \",[\"$\",\"$L6\",null,{\"children\":\"at://\"}],\", followed by the handle, with no path or other URI parts. The current primary handle is the first valid handle URI found in the ordered list. Any other handle URIs should be ignored.\"]}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"It is crucial to validate the handle bidirectionally, by resolving the handle to a DID and checking that it matches the current DID document.\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"The DID is the primary account identifier, and an account whose DID document does not contain a valid and confirmed handle can still, in theory, participate in the atproto ecosystem. Software should be careful to either not display any handle for such account, or obviously indicate that any handle associated with it is invalid.\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":[\"The public \",[\"$\",\"strong\",null,{\"children\":\"signing key\"}],\" for the account is found under the \",[\"$\",\"$L6\",null,{\"children\":\"verificationMethod\"}],\" array, in an object with \",[\"$\",\"$L6\",null,{\"children\":\"id\"}],\" ending \",[\"$\",\"$L6\",null,{\"children\":\"#atproto\"}],\", and the \",[\"$\",\"$L6\",null,{\"children\":\"controller\"}],\" matching the DID itself. The first valid atproto signing key in the array should be used, and any others ignored. The \",[\"$\",\"$L6\",null,{\"children\":\"type\"}],\" field will indicate the cryptographic curve type, and the \",[\"$\",\"$L6\",null,{\"children\":\"publicKeyMultibase\"}],\" field will be the public key in multibase encoding. See below for details for parsing these fields.\"]}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"A valid signing key is required for atproto functionality, and an account with no valid key in their DID document is broken.\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":[\"The \",[\"$\",\"strong\",null,{\"children\":\"PDS service network location\"}],\" for the account is found under the \",[\"$\",\"$L6\",null,{\"children\":\"service\"}],\" array, with \",[\"$\",\"$L6\",null,{\"children\":\"id\"}],\" ending \",[\"$\",\"$L6\",null,{\"children\":\"#atproto_pds\"}],\", and \",[\"$\",\"$L6\",null,{\"children\":\"type\"}],\" matching \",[\"$\",\"$L6\",null,{\"children\":\"AtprotoPersonalDataServer\"}],\". The first matching entry in the array should be used, and any others ignored. The \",[\"$\",\"$L6\",null,{\"children\":\"serviceEndpoint\"}],\" field must contain an HTTPS URL of server. It should contain only the URI scheme (\",[\"$\",\"$L6\",null,{\"children\":\"http\"}],\" or \",[\"$\",\"$L6\",null,{\"children\":\"https\"}],\"), hostname, and optional port number, not any \\\"userinfo\\\", path prefix, or other components.\"]}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"A working PDS is required for atproto account functionality, and an account with no valid PDS location in their DID document is broken.\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"Note that a valid URL doesn't mean the the PDS itself is currently functional or hosting content for the account. During account migrations or server downtime there may be windows when the PDS is not accessible, but this does not mean the account should immediately be considered broken or invalid.\"}],\"\\n\",[\"$\",\"$L5\",null,{\"level\":2,\"id\":\"representation-of-public-keys\",\"children\":\"Representation of Public Keys\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":[\"The atproto cryptographic systems are described in \",[\"$\",\"$L4\",null,{\"href\":\"/specs/cryptography\",\"children\":\"Cryptography\"}],\", including details of byte and string encoding of public keys.\"]}],\"\\n\",[\"$\",\"p\",null,{\"children\":[\"Public keys in DID documents under \",[\"$\",\"$L6\",null,{\"children\":\"verificationMethod\"}],\", including atproto signing keys, are represented as an object with the following fields:\"]}],\"\\n\",[\"$\",\"ul\",null,{\"children\":[\"\\n\",[\"$\",\"li\",null,{\"children\":[[\"$\",\"$L6\",null,{\"children\":\"id\"}],\" (string, required): the DID followed by an identifying fragment. Use \",[\"$\",\"$L6\",null,{\"children\":\"#atproto\"}],\" as the fragment for atproto signing keys\"]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[[\"$\",\"$L6\",null,{\"children\":\"type\"}],\" (string, required): the fixed string \",[\"$\",\"$L6\",null,{\"children\":\"Multikey\"}]]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[[\"$\",\"$L6\",null,{\"children\":\"controller\"}],\" (string, required): DID controlling the key, which in the current version of atproto must match the account DID itself\"]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[[\"$\",\"$L6\",null,{\"children\":\"publicKeyMultibase\"}],\" (string, required): the public key itself, encoded in multibase format (with multicodec type indicator, and \\\"compressed\\\" key bytes)\"]}],\"\\n\"]}],\"\\n\",[\"$\",\"p\",null,{\"children\":[\"The \",[\"$\",\"$L6\",null,{\"children\":\"publicKeyMultibase\"}],\" format for \",[\"$\",\"$L6\",null,{\"children\":\"Multikey\"}],\" is the same encoding scheme as used with \",[\"$\",\"$L6\",null,{\"children\":\"did:key\"}],\", but without the \",[\"$\",\"$L6\",null,{\"children\":\"did:key:\"}],\" prefix. See \",[\"$\",\"$L4\",null,{\"href\":\"/specs/cryptography\",\"children\":\"Cryptography\"}],\" for details.\"]}],\"\\n\",[\"$\",\"p\",null,{\"children\":[\"Note that there is not yet a formal W3C standard for using P-256 public keys in DID \",[\"$\",\"$L6\",null,{\"children\":\"verificationMethod\"}],\" sections, but that the \",[\"$\",\"$L6\",null,{\"children\":\"Multikey\"}],\" standard does clarify what the encoding encoding should be for this key type.\"]}],\"\\n\",[\"$\",\"h3\",null,{\"children\":\"Legacy Representation\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":[\"Some older DID documents, which may still appear in \",[\"$\",\"$L6\",null,{\"children\":\"did:web\"}],\" docs, had slightly different key encodings and \",[\"$\",\"$L6\",null,{\"children\":\"verificationMethod\"}],\" syntax. Implementations may support these older DID documents during a transition period, but the intentent is to require DID specification compliance going forward.\"]}],\"\\n\",[\"$\",\"p\",null,{\"children\":[\"The older \",[\"$\",\"$L6\",null,{\"children\":\"verificationMethod\"}],\" for atproto signing keys contained:\"]}],\"\\n\",[\"$\",\"ul\",null,{\"children\":[\"\\n\",[\"$\",\"li\",null,{\"children\":[[\"$\",\"$L6\",null,{\"children\":\"id\"}],\" (string, required): the fixed string \",[\"$\",\"$L6\",null,{\"children\":\"#atproto\"}],\", without the full DID included\"]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[[\"$\",\"$L6\",null,{\"children\":\"type\"}],\" (string, required): a fixed name identifying the key's curve type\",\"\\n\",[\"$\",\"ul\",null,{\"children\":[\"\\n\",[\"$\",\"li\",null,{\"children\":[[\"$\",\"$L6\",null,{\"children\":\"p256\"}],\": \",[\"$\",\"$L6\",null,{\"children\":\"EcdsaSecp256r1VerificationKey2019\"}],\" (note the \\\"r\\\")\"]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[[\"$\",\"$L6\",null,{\"children\":\"k256\"}],\": \",[\"$\",\"$L6\",null,{\"children\":\"EcdsaSecp256k1VerificationKey2019\"}],\" (note the \\\"k\\\")\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[[\"$\",\"$L6\",null,{\"children\":\"controller\"}],\" (string, required): DID controlling the key, which in the current version of atproto must match the account DID itself\"]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[[\"$\",\"$L6\",null,{\"children\":\"publicKeyMultibase\"}],\" (string, required): the public key itself, encoded in multibase format (\",[\"$\",\"em\",null,{\"children\":\"without\"}],\" multicodec, and \",[\"$\",\"em\",null,{\"children\":\"uncompressed\"}],\" key bytes)\"]}],\"\\n\"]}],\"\\n\",[\"$\",\"p\",null,{\"children\":[\"Note that the \",[\"$\",\"$L6\",null,{\"children\":\"EcdsaSecp256r1VerificationKey2019\"}],\" type is not a final W3C standard.\"]}],\"\\n\",[\"$\",\"p\",null,{\"children\":[\"The \",[\"$\",\"$L6\",null,{\"children\":\"EcdsaSecp256r1VerificationKey2019\"}],\" \",[\"$\",\"$L6\",null,{\"children\":\"verificationMethod\"}],\" is not a final W3C standard. We will move to whatever ends up standardized by W3C for representing P-256 public keys with \",[\"$\",\"$L6\",null,{\"children\":\"publicKeyMultibase\"}],\". This may mean a transition to \",[\"$\",\"$L6\",null,{\"children\":\"Multikey\"}],\", and we would transition K-256 representations to that \",[\"$\",\"$L6\",null,{\"children\":\"type\"}],\" as well.\"]}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"A summary of the multibase encoding in this context:\"}],\"\\n\",[\"$\",\"ul\",null,{\"children\":[\"\\n\",[\"$\",\"li\",null,{\"children\":[\"Start with the full public key bytes. Do not use the \\\"compressed\\\" or \\\"compact\\\" representation (unlike for \",[\"$\",\"$L6\",null,{\"children\":\"did:key\"}],\" or \",[\"$\",\"$L6\",null,{\"children\":\"Multikey\"}],\" encoding)\"]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[\"Do \",[\"$\",\"em\",null,{\"children\":\"not\"}],\" prefix with a multicodec value indicating the key type\"]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[\"Encode the key bytes with \",[\"$\",\"$L6\",null,{\"children\":\"base58btc\"}],\", yielding a string\"]}],\"\\n\",[\"$\",\"li\",null,{\"children\":[\"Add the character \",[\"$\",\"$L6\",null,{\"children\":\"z\"}],\" as a prefix, to indicate the multibase, and include no other multicodec indicators\"]}],\"\\n\"]}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"The decoding process is the same in reverse, using the curve type as context.\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"Here is an example of a single public key encoded in the legacy and current formats:\"}],\"\\n\",[\"$\",\"$L7\",null,{\"code\":\"// legacy multibase encoding of K-256 public key\\n{\\n \\\"id\\\": ...,\\n \\\"controller\\\": ...,\\n \\\"type\\\": \\\"EcdsaSecp256k1VerificationKey2019\\\",\\n \\\"publicKeyMultibase\\\": \\\"zQYEBzXeuTM9UR3rfvNag6L3RNAs5pQZyYPsomTsgQhsxLdEgCrPTLgFna8yqCnxPpNT7DBk6Ym3dgPKNu86vt9GR\\\"\\n}\\n\\n// preferred multibase encoding of same K-256 public key\\n{\\n \\\"id\\\": ...,\\n \\\"controller\\\": ...,\\n \\\"type\\\": \\\"Multikey\\\",\\n \\\"publicKeyMultibase\\\": \\\"zQ3shXjHeiBuRCKmM36cuYnm7YEMzhGnCmCyW92sRJ9pribSF\\\"\\n}\\n\",\"children\":[\"$\",\"$L6\",null,{\"children\":\"// legacy multibase encoding of K-256 public key\\n{\\n \\\"id\\\": ...,\\n \\\"controller\\\": ...,\\n \\\"type\\\": \\\"EcdsaSecp256k1VerificationKey2019\\\",\\n \\\"publicKeyMultibase\\\": \\\"zQYEBzXeuTM9UR3rfvNag6L3RNAs5pQZyYPsomTsgQhsxLdEgCrPTLgFna8yqCnxPpNT7DBk6Ym3dgPKNu86vt9GR\\\"\\n}\\n\\n// preferred multibase encoding of same K-256 public key\\n{\\n \\\"id\\\": ...,\\n \\\"controller\\\": ...,\\n \\\"type\\\": \\\"Multikey\\\",\\n \\\"publicKeyMultibase\\\": \\\"zQ3shXjHeiBuRCKmM36cuYnm7YEMzhGnCmCyW92sRJ9pribSF\\\"\\n}\\n\"}]}],\"\\n\",[\"$\",\"$L5\",null,{\"level\":2,\"id\":\"usage-and-implementation-guidelines\",\"children\":\"Usage and Implementation Guidelines\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"Protocol implementations should be flexible to processing content containing DIDs based on unsupported DID methods. This is important to allow gradual evolution of the protocol ecosystem over time. In other words, implementations should distinguish between at least the distinct cases \\\"invalid DID syntax\\\", \\\"unsupported DID method\\\" and \\\"supported DID method, but specific DID resolution failed\\\".\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"While longer DIDs are supported in the protocol, a good best practice is to use relatively short DIDs, and to avoid DIDs longer than 64 characters.\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":[\"DIDs are case-sensitive. While the currently-supported methods are \",[\"$\",\"em\",null,{\"children\":\"not\"}],\" case sensitive, and could be safely lowercased, protocol implementations should reject DIDs with invalid casing. It is permissible to attempt case normalization when receiving user-controlled input, such as when parsing public URL path components, or text input fields.\"]}],\"\\n\",[\"$\",\"$L5\",null,{\"level\":2,\"id\":\"possible-future-changes\",\"children\":\"Possible Future Changes\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"The hard maximum DID length limit may be reduced, at the protocol syntax level. We are not aware of any DID methods that we would consider supporting which have identifiers longer than, say, 256 characters.\"}],\"\\n\",[\"$\",\"p\",null,{\"children\":\"There is a good chance that the set of \\\"blessed\\\" DID methods will slowly expand over time.\"}]]}]}],null],null],null]},[null,[\"$\",\"$L8\",null,{\"parallelRouterKey\":\"children\",\"segmentPath\":[\"children\",\"$9\",\"children\",\"specs\",\"children\",\"did\",\"children\"],\"error\":\"$undefined\",\"errorStyles\":\"$undefined\",\"errorScripts\":\"$undefined\",\"template\":[\"$\",\"$La\",null,{}],\"templateStyles\":\"$undefined\",\"templateScripts\":\"$undefined\",\"notFound\":\"$undefined\",\"notFoundStyles\":\"$undefined\"}]],null]},[null,[\"$\",\"$L8\",null,{\"parallelRouterKey\":\"children\",\"segmentPath\":[\"children\",\"$9\",\"children\",\"specs\",\"children\"],\"error\":\"$undefined\",\"errorStyles\":\"$undefined\",\"errorScripts\":\"$undefined\",\"template\":[\"$\",\"$La\",null,{}],\"templateStyles\":\"$undefined\",\"templateScripts\":\"$undefined\",\"notFound\":\"$undefined\",\"notFoundStyles\":\"$undefined\"}]],null]},[[[[\"$\",\"link\",\"0\",{\"rel\":\"stylesheet\",\"href\":\"/_next/static/css/786ca9324488b5df.css\",\"precedence\":\"next\",\"crossOrigin\":\"$undefined\"}]],\"$Lb\"],null],null]},[null,[\"$\",\"$L8\",null,{\"parallelRouterKey\":\"children\",\"segmentPath\":[\"children\"],\"error\":\"$undefined\",\"errorStyles\":\"$undefined\",\"errorScripts\":\"$undefined\",\"template\":[\"$\",\"$La\",null,{}],\"templateStyles\":\"$undefined\",\"templateScripts\":\"$undefined\",\"notFound\":[[\"$\",\"title\",null,{\"children\":\"404: This page could not be found.\"}],[\"$\",\"div\",null,{\"style\":{\"fontFamily\":\"system-ui,\\\"Segoe UI\\\",Roboto,Helvetica,Arial,sans-serif,\\\"Apple Color Emoji\\\",\\\"Segoe UI Emoji\\\"\",\"height\":\"100vh\",\"textAlign\":\"center\",\"display\":\"flex\",\"flexDirection\":\"column\",\"alignItems\":\"center\",\"justifyContent\":\"center\"},\"children\":[\"$\",\"div\",null,{\"children\":[[\"$\",\"style\",null,{\"dangerouslySetInnerHTML\":{\"__html\":\"body{color:#000;background:#fff;margin:0}.next-error-h1{border-right:1px solid rgba(0,0,0,.3)}@media (prefers-color-scheme:dark){body{color:#fff;background:#000}.next-error-h1{border-right:1px solid rgba(255,255,255,.3)}}\"}}],[\"$\",\"h1\",null,{\"className\":\"next-error-h1\",\"style\":{\"display\":\"inline-block\",\"margin\":\"0 20px 0 0\",\"padding\":\"0 23px 0 0\",\"fontSize\":24,\"fontWeight\":500,\"verticalAlign\":\"top\",\"lineHeight\":\"49px\"},\"children\":\"404\"}],[\"$\",\"div\",null,{\"style\":{\"display\":\"inline-block\"},\"children\":[\"$\",\"h2\",null,{\"style\":{\"fontSize\":14,\"fontWeight\":400,\"lineHeight\":\"49px\",\"margin\":0},\"children\":\"This page could not be found.\"}]}]]}]}]],\"notFoundStyles\":[]}]],null],\"couldBeIntercepted\":false,\"initialHead\":[null,\"$Lc\"],\"globalErrorComponent\":\"$d\",\"missingSlots\":\"$We\"}]\n"])</script><script>self.__next_f.push([1,"c:[[\"$\",\"meta\",\"0\",{\"name\":\"viewport\",\"content\":\"width=device-width, initial-scale=1\"}],[\"$\",\"meta\",\"1\",{\"charSet\":\"utf-8\"}],[\"$\",\"title\",\"2\",{\"children\":\"DID - AT Protocol\"}],[\"$\",\"meta\",\"3\",{\"name\":\"description\",\"content\":\"Persistent decentralized identifiers (as used in atproto)\"}],[\"$\",\"meta\",\"4\",{\"property\":\"og:title\",\"content\":\"DID - AT Protocol\"}],[\"$\",\"meta\",\"5\",{\"property\":\"og:description\",\"content\":\"Persistent decentralized identifiers (as used in atproto)\"}],[\"$\",\"meta\",\"6\",{\"property\":\"og:url\",\"content\":\"https://atproto.com/\"}],[\"$\",\"meta\",\"7\",{\"property\":\"og:site_name\",\"content\":\"AT Protocol\"}],[\"$\",\"meta\",\"8\",{\"property\":\"og:image\",\"content\":\"https://atproto.com/default-social-card.png\"}],[\"$\",\"meta\",\"9\",{\"property\":\"og:image:secure_url\",\"content\":\"https://atproto.com/default-social-card.png\"}],[\"$\",\"meta\",\"10\",{\"property\":\"og:image:width\",\"content\":\"1200\"}],[\"$\",\"meta\",\"11\",{\"property\":\"og:image:height\",\"content\":\"630\"}],[\"$\",\"meta\",\"12\",{\"property\":\"og:type\",\"content\":\"website\"}],[\"$\",\"meta\",\"13\",{\"name\":\"twitter:card\",\"content\":\"summary_large_image\"}],[\"$\",\"meta\",\"14\",{\"name\":\"twitter:title\",\"content\":\"DID - AT Protocol\"}],[\"$\",\"meta\",\"15\",{\"name\":\"twitter:description\",\"content\":\"Persistent decentralized identifiers (as used in atproto)\"}],[\"$\",\"meta\",\"16\",{\"name\":\"twitter:image\",\"content\":\"https://atproto.com/default-social-card.png\"}]]\n3:null\n"])</script><script>self.__next_f.push([1,"f:I[5552,[\"972\",\"static/chunks/972-f3553dcbba031b91.js\",\"135\",\"static/chunks/135-8f28b0a70a96c388.js\",\"28\",\"static/chunks/28-313384c6289a00c0.js\",\"369\",\"static/chunks/369-a583bbb81b96a7d8.js\",\"212\",\"static/chunks/212-67e821188dcd5fb8.js\",\"60\",\"static/chunks/60-3e1824554a9cf3f8.js\",\"203\",\"static/chunks/app/%5Blocale%5D/layout-8706067c5d993875.js\"],\"Providers\"]\n10:I[5211,[\"972\",\"static/chunks/972-f3553dcbba031b91.js\",\"135\",\"static/chunks/135-8f28b0a70a96c388.js\",\"28\",\"static/chunks/28-313384c6289a00c0.js\",\"369\",\"static/chunks/369-a583bbb81b96a7d8.js\",\"212\",\"static/chunks/212-67e821188dcd5fb8.js\",\"60\",\"static/chunks/60-3e1824554a9cf3f8.js\",\"203\",\"static/chunks/app/%5Blocale%5D/layout-8706067c5d993875.js\"],\"Layout\"]\n"])</script><script>self.__next_f.push([1,"b:[\"$\",\"html\",null,{\"lang\":\"en\",\"className\":\"h-full\",\"suppressHydrationWarning\":true,\"children\":[\"$\",\"body\",null,{\"className\":\"flex min-h-full bg-white antialiased dark:bg-zinc-900\",\"children\":[\"$\",\"$Lf\",null,{\"children\":[\"$\",\"div\",null,{\"className\":\"w-full\",\"children\":[\"$\",\"$L10\",null,{\"allSections\":{\"/en.mdx\":[],\"/ja.mdx\":[],\"/pt.mdx\":[],\"/sdks\":[{\"title\":\"Official libraries\",\"id\":\"official-libraries\"},{\"title\":\"Community libraries\",\"id\":\"community-libraries\"}],\"/explorer\":[],\"/articles/why-atproto\":[],\"/articles/atproto-for-distsys-engineers/en.mdx\":[{\"title\":\"Scaling the traditional Web backend\",\"id\":\"scaling-the-traditional-web-backend\"},{\"title\":\"Decentralizing our high-scale backend\",\"id\":\"decentralizing-our-high-scale-backend\"},{\"title\":\"Unifying the data model\",\"id\":\"unifying-the-data-model\"},{\"title\":\"Charting the flow of data\",\"id\":\"charting-the-flow-of-data\"},{\"title\":\"Building practical open systems\",\"id\":\"building-practical-open-systems\"}],\"/articles/atproto-for-distsys-engineers/ja.mdx\":[{\"title\":\"従来の Web バックエンドのスケーリング\",\"id\":\"web\"},{\"title\":\"大規模バックエンドの分散化\",\"id\":\"\"},{\"title\":\"データモデルの統合\",\"id\":\"\"},{\"title\":\"データの流れを図に表す\",\"id\":\"\"},{\"title\":\"実用的なオープンシステムの構築\",\"id\":\"\"}],\"/articles/atproto-for-distsys-engineers/pt.mdx\":[{\"title\":\"Escalando o backend tradicional da Web\",\"id\":\"escalando-o-backend-tradicional-da-web\"},{\"title\":\"Descentralizando nosso backend de alta escala\",\"id\":\"descentralizando-nosso-backend-de-alta-escala\"},{\"title\":\"Unificando o modelo de dados\",\"id\":\"unificando-o-modelo-de-dados\"},{\"title\":\"Mapeando o fluxo de dados\",\"id\":\"mapeando-o-fluxo-de-dados\"},{\"title\":\"Construindo sistemas abertos práticos\",\"id\":\"construindo-sistemas-abertos-praticos\"}],\"/guides/faq/en.mdx\":[{\"title\":\"Is the AT Protocol a blockchain?\",\"id\":\"is-the-at-protocol-a-blockchain\"},{\"title\":\"Why not use ActivityPub?\",\"id\":\"why-not-use-activity-pub\"},{\"title\":\"Why create Lexicon instead of using JSON-LD or RDF?\",\"id\":\"why-create-lexicon-instead-of-using-json-ld-or-rdf\"},{\"title\":\"What is “XRPC,” and why not use ___?\",\"id\":\"what-is-xrpc-and-why-not-use\"}],\"/guides/faq/ja.mdx\":[{\"title\":\"AT プロトコルはブロックチェーンですか?\",\"id\":\"at\"},{\"title\":\"ActivityPub を使用しないのはなぜですか?\",\"id\":\"activity-pub\"},{\"title\":\"JSON-LD や RDF を使用する代わりに Lexicon を作成する理由\",\"id\":\"json-ld-rdf-lexicon\"},{\"title\":\"「XRPC」とは何ですか。なぜ ___ を使用しないのですか?\",\"id\":\"xrpc\"}],\"/guides/faq/pt.mdx\":[{\"title\":\"O Protocolo AT é uma blockchain?\",\"id\":\"o-protocolo-at-e-uma-blockchain\"},{\"title\":\"Por que não usar o ActivityPub?\",\"id\":\"por-que-nao-usar-o-activity-pub\"},{\"title\":\"Por que criar o Lexicon em vez de usar JSON-LD ou RDF?\",\"id\":\"por-que-criar-o-lexicon-em-vez-de-usar-json-ld-ou-rdf\"},{\"title\":\"O que é “XRPC” e por que não usar ___?\",\"id\":\"o-que-e-xrpc-e-por-que-nao-usar\"}],\"/guides/applications/en.mdx\":[{\"title\":\"Introduction\",\"id\":\"introduction\"},{\"title\":\"Step 1. Starting with our ExpressJS app\",\"id\":\"step-1-starting-with-our-express-js-app\"},{\"title\":\"Step 2. Signing in with OAuth\",\"id\":\"step-2-signing-in-with-o-auth\"},{\"title\":\"Step 3. Fetching the user's profile\",\"id\":\"step-3-fetching-the-users-profile\"},{\"title\":\"Step 4. Reading \u0026 writing records\",\"id\":\"step-4-reading-and-writing-records\"},{\"title\":\"Step 5. Creating a custom \\\"status\\\" schema\",\"id\":\"step-5-creating-a-custom-status-schema\"},{\"title\":\"Step 6. Listening to the firehose\",\"id\":\"step-6-listening-to-the-firehose\"},{\"title\":\"Step 7. Listing the latest statuses\",\"id\":\"step-7-listing-the-latest-statuses\"},{\"title\":\"Step 8. Optimistic updates\",\"id\":\"step-8-optimistic-updates\"},{\"title\":\"Thinking in AT Proto\",\"id\":\"thinking-in-at-proto\"},{\"title\":\"Next steps\",\"id\":\"next-steps\"}],\"/guides/applications/ja.mdx\":[{\"title\":\"はじめに\",\"id\":\"\"},{\"title\":\"ステップ 1. ExpressJS アプリから始める\",\"id\":\"1-express-js\"},{\"title\":\"ステップ 2. OAuth でサインイン\",\"id\":\"2-o-auth\"},{\"title\":\"ステップ 3. ユーザーのプロファイルを取得する\",\"id\":\"3\"},{\"title\":\"ステップ 4. レコードの読み取りと書き込み\",\"id\":\"4\"},{\"title\":\"ステップ 5. カスタムの「ステータス」スキーマの作成\",\"id\":\"5\"},{\"title\":\"ステップ 6. ファイアホースをリッスン\",\"id\":\"6\"},{\"title\":\"ステップ 7. 最新のステータスを一覧表示する\",\"id\":\"7\"},{\"title\":\"ステップ 8. 楽観的更新\",\"id\":\"8\"},{\"title\":\"AT Proto で考える\",\"id\":\"at-proto\"},{\"title\":\"次のステップ\",\"id\":\"\"}],\"/guides/applications/pt.mdx\":[{\"title\":\"Introdução\",\"id\":\"introducao\"},{\"title\":\"Etapa 1. Começando com nosso aplicativo ExpressJS\",\"id\":\"etapa-1-comecando-com-nosso-aplicativo-express-js\"},{\"title\":\"Etapa 2. Entrando com OAuth\",\"id\":\"etapa-2-entrando-com-o-auth\"},{\"title\":\"Etapa 3. Obtendo o perfil do usuário\",\"id\":\"etapa-3-obtendo-o-perfil-do-usuario\"},{\"title\":\"Etapa 4. Lendo e escrevendo registros\",\"id\":\"etapa-4-lendo-e-escrevendo-registros\"},{\"title\":\"Etapa 5. Criando um esquema de \\\"status\\\" personalizado\",\"id\":\"etapa-5-criando-um-esquema-de-status-personalizado\"},{\"title\":\"Etapa 6. Ouvindo o firehose\",\"id\":\"etapa-6-ouvindo-o-firehose\"},{\"title\":\"Etapa 7. Listando os status mais recentes\",\"id\":\"etapa-7-listando-os-status-mais-recentes\"},{\"title\":\"Etapa 8. Atualizações otimistas\",\"id\":\"etapa-8-atualizacoes-otimistas\"},{\"title\":\"Pensando em AT Proto\",\"id\":\"pensando-em-at-proto\"},{\"title\":\"Próximos passos\",\"id\":\"proximos-passos\"}],\"/guides/data-repos/en.mdx\":[{\"title\":\"Data Layout\",\"id\":\"data-layout\"},{\"title\":\"Identifier Types\",\"id\":\"identifier-types\"}],\"/guides/data-repos/ja.mdx\":[{\"title\":\"データレイアウト\",\"id\":\"\"},{\"title\":\"識別子の種類\",\"id\":\"\"}],\"/guides/data-repos/pt.mdx\":[{\"title\":\"Layout de dados\",\"id\":\"layout-de-dados\"},{\"title\":\"Tipos de Identificadores\",\"id\":\"tipos-de-identificadores\"}],\"/guides/glossary/en.mdx\":[{\"title\":\"Atmosphere\",\"id\":\"atmosphere\"},{\"title\":\"AT Protocol\",\"id\":\"at-protocol\"},{\"title\":\"PDS (Personal Data Server)\",\"id\":\"pds-personal-data-server\"},{\"title\":\"AppView\",\"id\":\"app-view\"},{\"title\":\"Relay\",\"id\":\"relay\"},{\"title\":\"Lexicon\",\"id\":\"lexicon\"},{\"title\":\"Data Repo\",\"id\":\"data-repo\"},{\"title\":\"Collection\",\"id\":\"collection\"},{\"title\":\"Record\",\"id\":\"record\"},{\"title\":\"Blob\",\"id\":\"blob\"},{\"title\":\"Label\",\"id\":\"label\"},{\"title\":\"Handle\",\"id\":\"handle\"},{\"title\":\"DID (Decentralized ID)\",\"id\":\"did-decentralized-id\"},{\"title\":\"NSID (Namespaced ID)\",\"id\":\"nsid-namespaced-id\"},{\"title\":\"TID (Timestamp ID)\",\"id\":\"tid-timestamp-id\"},{\"title\":\"CID (Content ID)\",\"id\":\"cid-content-id\"},{\"title\":\"DAG-CBOR\",\"id\":\"dag-cbor\"},{\"title\":\"XRPC\",\"id\":\"xrpc\"}],\"/guides/glossary/ja.mdx\":[{\"title\":\"Atmosphere\",\"id\":\"atmosphere\"},{\"title\":\"AT プロトコル\",\"id\":\"at\"},{\"title\":\"PDS (パーソナルデータサーバー)\",\"id\":\"pds\"},{\"title\":\"AppView\",\"id\":\"app-view\"},{\"title\":\"リレー\",\"id\":\"\"},{\"title\":\"Lexicon\",\"id\":\"lexicon\"},{\"title\":\"データリポジトリ\",\"id\":\"\"},{\"title\":\"コレクション\",\"id\":\"\"},{\"title\":\"レコード\",\"id\":\"\"},{\"title\":\"BLOB\",\"id\":\"blob\"},{\"title\":\"ラベル\",\"id\":\"\"},{\"title\":\"ハンドル\",\"id\":\"\"},{\"title\":\"DID (分散 ID)\",\"id\":\"did-id\"},{\"title\":\"NSID (名前空間 ID)\",\"id\":\"nsid-id\"},{\"title\":\"TID (タイムスタンプ ID)\",\"id\":\"tid-id\"},{\"title\":\"CID (コンテンツ ID)\",\"id\":\"cid-id\"},{\"title\":\"DAG-CBOR\",\"id\":\"dag-cbor\"},{\"title\":\"XRPC\",\"id\":\"xrpc\"}],\"/guides/glossary/pt.mdx\":[{\"title\":\"Atmosphere\",\"id\":\"atmosphere\"},{\"title\":\"AT Protocol\",\"id\":\"at-protocol\"},{\"title\":\"PDS (Personal Data Server)\",\"id\":\"pds-personal-data-server\"},{\"title\":\"AppView\",\"id\":\"app-view\"},{\"title\":\"Relay\",\"id\":\"relay\"},{\"title\":\"Lexicon\",\"id\":\"lexicon\"},{\"title\":\"Data Repo\",\"id\":\"data-repo\"},{\"title\":\"Collection\",\"id\":\"collection\"},{\"title\":\"Record\",\"id\":\"record\"},{\"title\":\"Blob\",\"id\":\"blob\"},{\"title\":\"Label\",\"id\":\"label\"},{\"title\":\"Handle\",\"id\":\"handle\"},{\"title\":\"DID (Decentralized ID)\",\"id\":\"did-decentralized-id\"},{\"title\":\"NSID (Namespaced ID)\",\"id\":\"nsid-namespaced-id\"},{\"title\":\"TID (Timestamp ID)\",\"id\":\"tid-timestamp-id\"},{\"title\":\"CID (Content ID)\",\"id\":\"cid-content-id\"},{\"title\":\"DAG-CBOR\",\"id\":\"dag-cbor\"},{\"title\":\"XRPC\",\"id\":\"xrpc\"}],\"/guides/identity/en.mdx\":[{\"title\":\"Identifiers\",\"id\":\"identifiers\"},{\"title\":\"DID Methods\",\"id\":\"did-methods\"},{\"title\":\"Handle Resolution\",\"id\":\"handle-resolution\"}],\"/guides/identity/ja.mdx\":[{\"title\":\"識別子\",\"id\":\"\"},{\"title\":\"DID メソッド\",\"id\":\"did\"},{\"title\":\"ハンドル解決\",\"id\":\"\"}],\"/guides/identity/pt.mdx\":[{\"title\":\"Identificadores\",\"id\":\"identificadores\"},{\"title\":\"Métodos DID\",\"id\":\"metodos-did\"},{\"title\":\"Resolução de identificadores\",\"id\":\"resolucao-de-identificadores\"}],\"/guides/lexicon/en.mdx\":[{\"title\":\"Why is Lexicon needed?\",\"id\":\"why-is-lexicon-needed\"},{\"title\":\"HTTP API methods\",\"id\":\"http-api-methods\"},{\"title\":\"Record types\",\"id\":\"record-types\"},{\"title\":\"Tokens\",\"id\":\"tokens\"},{\"title\":\"Versioning\",\"id\":\"versioning\"},{\"title\":\"Schema distribution\",\"id\":\"schema-distribution\"}],\"/guides/lexicon/ja.mdx\":[{\"title\":\"Lexicon が必要な理由\",\"id\":\"lexicon\"},{\"title\":\"HTTP API メソッド\",\"id\":\"http-api\"},{\"title\":\"レコードタイプ\",\"id\":\"\"},{\"title\":\"トークン\",\"id\":\"\"},{\"title\":\"バージョン管理\",\"id\":\"\"},{\"title\":\"スキーマの配布\",\"id\":\"\"}],\"/guides/lexicon/pt.mdx\":[{\"title\":\"Por que o Lexicon é necessário?\",\"id\":\"por-que-o-lexicon-e-necessario\"},{\"title\":\"Métodos de API HTTP\",\"id\":\"metodos-de-api-http\"},{\"title\":\"Tipos de registro\",\"id\":\"tipos-de-registro\"},{\"title\":\"Tokens\",\"id\":\"tokens\"},{\"title\":\"Versionamento\",\"id\":\"versionamento\"},{\"title\":\"Distribuição de esquema\",\"id\":\"distribuicao-de-esquema\"}],\"/guides/overview/en.mdx\":[{\"title\":\"Identity\",\"id\":\"identity\"},{\"title\":\"Data repositories\",\"id\":\"data-repositories\"},{\"title\":\"Federation\",\"id\":\"federation\"},{\"title\":\"Interoperation\",\"id\":\"interoperation\"},{\"title\":\"Achieving scale\",\"id\":\"achieving-scale\"},{\"title\":\"Algorithmic choice\",\"id\":\"algorithmic-choice\"},{\"title\":\"Account portability\",\"id\":\"account-portability\"},{\"title\":\"Speech, reach, and moderation\",\"id\":\"speech-reach-and-moderation\"},{\"title\":\"Specifications\",\"id\":\"specifications\"}],\"/guides/overview/ja.mdx\":[{\"title\":\"アイデンティティ\",\"id\":\"\"},{\"title\":\"データリポジトリ\",\"id\":\"\"},{\"title\":\"フェデレーション\",\"id\":\"\"},{\"title\":\"相互運用\",\"id\":\"\"},{\"title\":\"スケールの実現\",\"id\":\"\"},{\"title\":\"アルゴリズムの選択\",\"id\":\"\"},{\"title\":\"アカウントの移植性\",\"id\":\"\"},{\"title\":\"スピーチ、リーチ、モデレーション\",\"id\":\"\"},{\"title\":\"仕様\",\"id\":\"\"}],\"/guides/overview/pt.mdx\":[{\"title\":\"Identidade\",\"id\":\"identidade\"},{\"title\":\"Repositórios de dados\",\"id\":\"repositorios-de-dados\"},{\"title\":\"Federação\",\"id\":\"federacao\"},{\"title\":\"Interoperação\",\"id\":\"interoperacao\"},{\"title\":\"Alcançando escala\",\"id\":\"alcancando-escala\"},{\"title\":\"Escolha algorítmica\",\"id\":\"escolha-algoritmica\"},{\"title\":\"Portabilidade de conta\",\"id\":\"portabilidade-de-conta\"},{\"title\":\"Fala, alcance e moderação\",\"id\":\"fala-alcance-e-moderacao\"},{\"title\":\"Especificações\",\"id\":\"especificacoes\"}],\"/guides/self-hosting/en.mdx\":[{\"title\":\"Table of Contents\",\"id\":\"table-of-contents\"},{\"title\":\"Preparation for self-hosting PDS\",\"id\":\"preparation-for-self-hosting-pds\"},{\"title\":\"Open your cloud firewall for HTTP and HTTPS\",\"id\":\"open-your-cloud-firewall-for-http-and-https\"},{\"title\":\"Configure DNS for your domain\",\"id\":\"configure-dns-for-your-domain\"},{\"title\":\"Check that DNS is working as expected\",\"id\":\"check-that-dns-is-working-as-expected\"},{\"title\":\"Installer on Ubuntu 20.04/22.04 and Debian 11/12\",\"id\":\"installer-on-ubuntu-20-04-22-04-and-debian-11-12\"},{\"title\":\"Verifying that your PDS is online and accessible\",\"id\":\"verifying-that-your-pds-is-online-and-accessible\"},{\"title\":\"Creating an account using pdsadmin\",\"id\":\"creating-an-account-using-pdsadmin\"},{\"title\":\"Creating an account using an invite code\",\"id\":\"creating-an-account-using-an-invite-code\"},{\"title\":\"Using the Bluesky app with your PDS\",\"id\":\"using-the-bluesky-app-with-your-pds\"},{\"title\":\"Updating your PDS\",\"id\":\"updating-your-pds\"},{\"title\":\"Getting help\",\"id\":\"getting-help\"}],\"/guides/self-hosting/ja.mdx\":[{\"title\":\"目次\",\"id\":\"\"},{\"title\":\"セルフホスティング PDS の準備\",\"id\":\"pds\"},{\"title\":\"クラウドファイアウォールを HTTP および HTTPS 用に開く\",\"id\":\"http-https\"},{\"title\":\"ドメインの DNS を構成する\",\"id\":\"dns\"},{\"title\":\"DNS が期待どおりに動作していることを確認します\",\"id\":\"dns-2\"},{\"title\":\"Ubuntu 20.04/22.04 および Debian 11/12 のインストーラー\",\"id\":\"ubuntu-20-04-22-04-debian-11-12\"},{\"title\":\"PDS がオンラインでアクセス可能であることを確認する\",\"id\":\"pds-2\"},{\"title\":\"pdsadmin を使用してアカウントを作成する\",\"id\":\"pdsadmin\"},{\"title\":\"招待コードを使用してアカウントを作成する\",\"id\":\"\"},{\"title\":\"PDS で Bluesky アプリを使用する\",\"id\":\"pds-bluesky\"},{\"title\":\"PDS の更新\",\"id\":\"pds-3\"},{\"title\":\"ヘルプの取得\",\"id\":\"\"}],\"/guides/self-hosting/pt.mdx\":[{\"title\":\"Índice\",\"id\":\"indice\"},{\"title\":\"Preparação para auto-hospedagem de PDS\",\"id\":\"preparacao-para-auto-hospedagem-de-pds\"},{\"title\":\"Abra seu firewall de nuvem para HTTP e HTTPS\",\"id\":\"abra-seu-firewall-de-nuvem-para-http-e-https\"},{\"title\":\"Configure o DNS para seu domínio\",\"id\":\"configure-o-dns-para-seu-dominio\"},{\"title\":\"Verifique se o DNS está funcionando conforme o esperado\",\"id\":\"verifique-se-o-dns-esta-funcionando-conforme-o-esperado\"},{\"title\":\"Instalador no Ubuntu 20.04/22.04 e Debian 11/12\",\"id\":\"instalador-no-ubuntu-20-04-22-04-e-debian-11-12\"},{\"title\":\"Verificando se seu PDS está online e acessível\",\"id\":\"verificando-se-seu-pds-esta-online-e-acessivel\"},{\"title\":\"Criando uma conta usando pdsadmin\",\"id\":\"criando-uma-conta-usando-pdsadmin\"},{\"title\":\"Criando uma conta usando um código de convite\",\"id\":\"criando-uma-conta-usando-um-codigo-de-convite\"},{\"title\":\"Usando o aplicativo Bluesky com seu PDS\",\"id\":\"usando-o-aplicativo-bluesky-com-seu-pds\"},{\"title\":\"Atualizando seu PDS\",\"id\":\"atualizando-seu-pds\"},{\"title\":\"Obtendo ajuda\",\"id\":\"obtendo-ajuda\"}],\"/specs/at-uri-scheme\":[],\"/specs/atp\":[{\"title\":\"Protocol Structure\",\"id\":\"protocol-structure\"},{\"title\":\"Protocol Extension and Applications\",\"id\":\"protocol-extension-and-applications\"},{\"title\":\"What Is Missing?\",\"id\":\"what-is-missing\"},{\"title\":\"Future Work\",\"id\":\"future-work\"}],\"/specs/blob\":[{\"title\":\"Blob Metadata\",\"id\":\"blob-metadata\"},{\"title\":\"Blob Lifecycle\",\"id\":\"blob-lifecycle\"},{\"title\":\"Usage and Implementation Guidelines\",\"id\":\"usage-and-implementation-guidelines\"},{\"title\":\"Security Considerations\",\"id\":\"security-considerations\"},{\"title\":\"Possible Future Changes\",\"id\":\"possible-future-changes\"}],\"/specs/cryptography\":[{\"title\":\"ECDSA Signature Malleability\",\"id\":\"ecdsa-signature-malleability\"},{\"title\":\"Public Key Encoding\",\"id\":\"public-key-encoding\"},{\"title\":\"Usage and Implementation Guidelines\",\"id\":\"usage-and-implementation-guidelines\"},{\"title\":\"Possible Future Changes\",\"id\":\"possible-future-changes\"}],\"/specs/data-model\":[{\"title\":\"Relationship With IPLD\",\"id\":\"relationship-with-ipld\"},{\"title\":\"Data Types\",\"id\":\"data-types\"},{\"title\":\"blob Type\",\"id\":\"blob-type\"},{\"title\":\"JSON Representation\",\"id\":\"json-representation\"},{\"title\":\"Link and CID Formats\",\"id\":\"link-and-cid-formats\"},{\"title\":\"Usage and Implementation Guidelines\",\"id\":\"usage-and-implementation-guidelines\"},{\"title\":\"Security and Privacy Considerations\",\"id\":\"security-and-privacy-considerations\"},{\"title\":\"Possible Future Changes\",\"id\":\"possible-future-changes\"}],\"/specs/did\":[{\"title\":\"Blessed DID Methods\",\"id\":\"blessed-did-methods\"},{\"title\":\"AT Protocol DID Identifier Syntax\",\"id\":\"at-protocol-did-identifier-syntax\"},{\"title\":\"DID Documents\",\"id\":\"did-documents\"},{\"title\":\"Representation of Public Keys\",\"id\":\"representation-of-public-keys\"},{\"title\":\"Usage and Implementation Guidelines\",\"id\":\"usage-and-implementation-guidelines\"},{\"title\":\"Possible Future Changes\",\"id\":\"possible-future-changes\"}],\"/specs/event-stream\":[{\"title\":\"Streaming Wire Protocol (v0)\",\"id\":\"streaming-wire-protocol-v0\"},{\"title\":\"Usage and Implementation Guidelines\",\"id\":\"usage-and-implementation-guidelines\"},{\"title\":\"Security and Privacy Considerations\",\"id\":\"security-and-privacy-considerations\"},{\"title\":\"Possible Future Changes\",\"id\":\"possible-future-changes\"}],\"/specs/handle\":[{\"title\":\"Handle Identifier Syntax\",\"id\":\"handle-identifier-syntax\"},{\"title\":\"Additional Non-Syntax Restrictions\",\"id\":\"additional-non-syntax-restrictions\"},{\"title\":\"Identifier Examples\",\"id\":\"identifier-examples\"},{\"title\":\"Handle Resolution\",\"id\":\"handle-resolution\"},{\"title\":\"Usage and Implementation Guidelines\",\"id\":\"usage-and-implementation-guidelines\"},{\"title\":\"Possible Future Changes\",\"id\":\"possible-future-changes\"}],\"/specs/label\":[{\"title\":\"Schema and Data Model\",\"id\":\"schema-and-data-model\"},{\"title\":\"Value\",\"id\":\"value\"},{\"title\":\"Label Lifecycle: Negation and Expiration\",\"id\":\"label-lifecycle-negation-and-expiration\"},{\"title\":\"Signatures\",\"id\":\"signatures\"},{\"title\":\"Self-Labels in Records\",\"id\":\"self-labels-in-records\"},{\"title\":\"Labeler Service Identity\",\"id\":\"labeler-service-identity\"},{\"title\":\"Label Distribution Endpoints\",\"id\":\"label-distribution-endpoints\"},{\"title\":\"Labeler HTTP Headers\",\"id\":\"labeler-http-headers\"},{\"title\":\"Security Considerations\",\"id\":\"security-considerations\"},{\"title\":\"Usage and Implementation Guidelines\",\"id\":\"usage-and-implementation-guidelines\"},{\"title\":\"Possible Future Changes\",\"id\":\"possible-future-changes\"}],\"/specs/lexicon\":[{\"title\":\"Overview of Types\",\"id\":\"overview-of-types\"},{\"title\":\"Lexicon Files\",\"id\":\"lexicon-files\"},{\"title\":\"Primary Type Definitions\",\"id\":\"primary-type-definitions\"},{\"title\":\"Field Type Definitions\",\"id\":\"field-type-definitions\"},{\"title\":\"String Formats\",\"id\":\"string-formats\"},{\"title\":\"When to use $type\",\"id\":\"when-to-use-type\"},{\"title\":\"Lexicon Evolution\",\"id\":\"lexicon-evolution\"},{\"title\":\"Authority and Control\",\"id\":\"authority-and-control\"},{\"title\":\"Usage and Implementation Guidelines\",\"id\":\"usage-and-implementation-guidelines\"},{\"title\":\"Possible Future Changes\",\"id\":\"possible-future-changes\"}],\"/specs/nsid\":[],\"/specs/oauth\":[{\"title\":\"Clients\",\"id\":\"clients\"},{\"title\":\"Identity Authentication\",\"id\":\"identity-authentication\"},{\"title\":\"Authorization Scopes\",\"id\":\"authorization-scopes\"},{\"title\":\"Authorization Requests\",\"id\":\"authorization-requests\"},{\"title\":\"Tokens and Session Lifetime\",\"id\":\"tokens-and-session-lifetime\"},{\"title\":\"Demonstrating Proof of Possession (DPoP)\",\"id\":\"demonstrating-proof-of-possession-d-po-p\"},{\"title\":\"Authorization Servers\",\"id\":\"authorization-servers\"},{\"title\":\"Summary of Authorization Flow\",\"id\":\"summary-of-authorization-flow\"},{\"title\":\"Security Considerations\",\"id\":\"security-considerations\"},{\"title\":\"Possible Future Changes\",\"id\":\"possible-future-changes\"}],\"/specs/record-key\":[],\"/specs/repository\":[{\"title\":\"Repo Data Structure (v3)\",\"id\":\"repo-data-structure-v3\"},{\"title\":\"CAR File Serialization\",\"id\":\"car-file-serialization\"},{\"title\":\"Repository Diffs\",\"id\":\"repository-diffs\"},{\"title\":\"Security Considerations\",\"id\":\"security-considerations\"},{\"title\":\"Possible Future Changes\",\"id\":\"possible-future-changes\"}],\"/specs/xrpc\":[{\"title\":\"Lexicon HTTP Endpoints\",\"id\":\"lexicon-http-endpoints\"},{\"title\":\"Authentication\",\"id\":\"authentication\"},{\"title\":\"Service Proxying\",\"id\":\"service-proxying\"},{\"title\":\"Summary of HTTP Headers\",\"id\":\"summary-of-http-headers\"},{\"title\":\"Summary of HTTP Status Codes\",\"id\":\"summary-of-http-status-codes\"},{\"title\":\"Usage and Implementation Guidelines\",\"id\":\"usage-and-implementation-guidelines\"},{\"title\":\"Security and Privacy Considerations\",\"id\":\"security-and-privacy-considerations\"},{\"title\":\"Possible Future Changes\",\"id\":\"possible-future-changes\"}]},\"children\":[\"$\",\"$L8\",null,{\"parallelRouterKey\":\"children\",\"segmentPath\":[\"children\",\"$9\",\"children\"],\"error\":\"$undefined\",\"errorStyles\":\"$undefined\",\"errorScripts\":\"$undefined\",\"template\":[\"$\",\"$La\",null,{}],\"templateStyles\":\"$undefined\",\"templateScripts\":\"$undefined\",\"notFound\":[[\"$\",\"div\",null,{\"className\":\"absolute inset-0 -z-10 mx-0 max-w-none overflow-hidden\",\"children\":[\"$\",\"div\",null,{\"className\":\"absolute left-1/2 top-0 ml-[-38rem] h-[25rem] w-[81.25rem] dark:[mask-image:linear-gradient(white,transparent)]\",\"children\":[\"$\",\"div\",null,{\"className\":\"absolute inset-0 bg-gradient-to-r from-[#6fa5ff] to-[#9dc0fb] opacity-40 [mask-image:radial-gradient(farthest-side_at_top,white,transparent)] dark:from-[#0090f2]/30 dark:to-[#7588ff]/30 dark:opacity-100\",\"children\":[\"$\",\"svg\",null,{\"aria-hidden\":\"true\",\"className\":\"absolute inset-x-0 inset-y-[-50%] h-[200%] w-full fill-black/40 stroke-black/50 mix-blend-overlay dark:fill-white/2.5 dark:stroke-white/5\",\"children\":[[\"$\",\"defs\",null,{\"children\":[\"$\",\"pattern\",null,{\"id\":\":S1:\",\"width\":72,\"height\":56,\"patternUnits\":\"userSpaceOnUse\",\"x\":-12,\"y\":4,\"children\":[\"$\",\"path\",null,{\"d\":\"M.5 56V.5H72\",\"fill\":\"none\"}]}]}],[\"$\",\"rect\",null,{\"width\":\"100%\",\"height\":\"100%\",\"strokeWidth\":0,\"fill\":\"url(#:S1:)\"}],[\"$\",\"svg\",null,{\"x\":-12,\"y\":4,\"className\":\"overflow-visible\",\"children\":[]}]]}]}]}]}],[\"$\",\"div\",null,{\"className\":\"mx-auto flex h-full max-w-xl flex-col items-center justify-center py-16 text-center\",\"children\":[[\"$\",\"p\",null,{\"className\":\"text-sm font-semibold text-zinc-900 dark:text-white\",\"children\":\"404\"}],[\"$\",\"h1\",null,{\"className\":\"mt-2 text-2xl font-bold text-zinc-900 dark:text-white\",\"children\":\"Page not found\"}],[\"$\",\"p\",null,{\"className\":\"mt-2 text-base text-zinc-600 dark:text-zinc-400\",\"children\":\"Sorry, we couldn’t find the page you’re looking for.\"}],[\"$\",\"$L4\",null,{\"className\":\"inline-flex gap-0.5 justify-center overflow-hidden text-sm font-medium transition rounded-full bg-zinc-900 py-1 px-3 text-white hover:bg-zinc-700 dark:bg-blue-400/10 dark:text-blue-400 dark:ring-1 dark:ring-inset dark:ring-blue-400/20 dark:hover:bg-blue-400/10 dark:hover:text-blue-300 dark:hover:ring-blue-300 mt-8\",\"href\":\"/\",\"children\":[false,\"Back to docs\",[\"$\",\"svg\",null,{\"viewBox\":\"0 0 20 20\",\"fill\":\"none\",\"aria-hidden\":\"true\",\"className\":\"mt-0.5 h-5 w-5 -mr-1\",\"children\":[\"$\",\"path\",null,{\"stroke\":\"currentColor\",\"strokeLinecap\":\"round\",\"strokeLinejoin\":\"round\",\"d\":\"m11.5 6.5 3 3.5m0 0-3 3.5m3-3.5h-9\"}]}]]}]]}]],\"notFoundStyles\":[]}]}]}]}]}]}]\n"])</script></body></html>