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<li id="toc-Tezos_Foundation_and_initial_coin_offering" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Tezos_Foundation_and_initial_coin_offering"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Tezos Foundation and initial coin offering</span> </div> </a> <ul id="toc-Tezos_Foundation_and_initial_coin_offering-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Design" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Design"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Design</span> </div> </a> <ul id="toc-Design-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Founders" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Founders"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Founders</span> </div> </a> <ul id="toc-Founders-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Sponsorship" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Sponsorship"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Sponsorship</span> </div> </a> <ul id="toc-Sponsorship-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>External links</span> </div> </a> <ul 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class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Tezos</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 11 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-11" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">11 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AA%D9%8A%D8%B2%D9%88%D8%B3" title="تيزوس – Arabic" lang="ar" hreflang="ar" data-title="تيزوس" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%AA%D9%8A%D8%B2%D9%88%D8%B3" title="تيزوس – Moroccan Arabic" lang="ary" hreflang="ary" data-title="تيزوس" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Tezos" title="Tezos – Spanish" lang="es" hreflang="es" data-title="Tezos" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AA%D8%B2%D9%88%D8%B3" title="تزوس – Persian" lang="fa" hreflang="fa" data-title="تزوس" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Tezos" title="Tezos – French" lang="fr" hreflang="fr" data-title="Tezos" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Tezos" title="Tezos – Indonesian" lang="id" hreflang="id" data-title="Tezos" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%98%D7%96%D7%95%D7%A1" title="טזוס – Hebrew" lang="he" hreflang="he" data-title="טזוס" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/Tezos" title="Tezos – Georgian" lang="ka" hreflang="ka" data-title="Tezos" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Tezos" title="Tezos – Hungarian" lang="hu" hreflang="hu" data-title="Tezos" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Tezos" title="Tezos – Polish" lang="pl" hreflang="pl" data-title="Tezos" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/Tezos" title="Tezos – Russian" lang="ru" hreflang="ru" data-title="Tezos" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q55290870#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Tezos" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:Tezos" rel="discussion" title="Discuss improvements to the content page [t]" accesskey="t"><span>Talk</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">English</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Views"> <div id="p-views" 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</div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/Tezos" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/Tezos" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Tezos&oldid=1256655519" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Tezos&action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&page=Tezos&id=1256655519&wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FTezos"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FTezos"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet 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data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output 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.compact-ambox .ambox.mbox-small-left{font-size:100%;width:auto;margin:0}.mw-parser-output .compact-ambox .ambox .mbox-text{padding:0!important;margin:0!important}.mw-parser-output .compact-ambox .ambox .mbox-text-span{display:list-item;line-height:1.5em;list-style-type:disc}body.skin-minerva .mw-parser-output .multiple-issues-text>.mw-collapsible-toggle,.mw-parser-output .compact-ambox .ambox .mbox-image,.mw-parser-output .compact-ambox .ambox .mbox-imageright,.mw-parser-output .compact-ambox .ambox .mbox-empty-cell,.mw-parser-output .compact-ambox .hide-when-compact{display:none}</style><table class="box-Multiple_issues plainlinks metadata ambox ambox-content ambox-multiple_issues compact-ambox" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/b/b4/Ambox_important.svg/40px-Ambox_important.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/b/b4/Ambox_important.svg/60px-Ambox_important.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/b/b4/Ambox_important.svg/80px-Ambox_important.svg.png 2x" data-file-width="40" data-file-height="40" /></span></span></div></td><td class="mbox-text"><div class="mbox-text-span"><div class="multiple-issues-text mw-collapsible"><b>This article has multiple issues.</b> Please help <b><a href="/wiki/Special:EditPage/Tezos" title="Special:EditPage/Tezos">improve it</a></b> or discuss these issues on the <b><a href="/wiki/Talk:Tezos" title="Talk:Tezos">talk page</a></b>. <small><i>(<a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove these messages</a>)</i></small> <div class="mw-collapsible-content"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1251242444"><table class="box-Primary_sources plainlinks metadata ambox ambox-content 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class="hide-when-compact"> Please improve this article by adding <a href="/wiki/Wikipedia:No_original_research#Primary,_secondary_and_tertiary_sources" title="Wikipedia:No original research">secondary or tertiary sources</a>. <br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22Tezos%22">"Tezos"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Tezos%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Tezos%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22Tezos%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Tezos%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Tezos%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">August 2021</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1251242444"><table class="box-Promotional plainlinks metadata ambox ambox-content ambox-Advert" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/b/b4/Ambox_important.svg/40px-Ambox_important.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/b/b4/Ambox_important.svg/60px-Ambox_important.svg.png 1.5x, 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class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><caption class="infobox-title">Tezos</caption><tbody><tr><td colspan="2" class="infobox-image"><span typeof="mw:File"><a href="/wiki/File:Tezos_Logo_2022.png" class="mw-file-description"><img alt="Prevailing tezos logo" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/68/Tezos_Logo_2022.png/180px-Tezos_Logo_2022.png" decoding="async" width="180" height="221" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/68/Tezos_Logo_2022.png/270px-Tezos_Logo_2022.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/68/Tezos_Logo_2022.png/360px-Tezos_Logo_2022.png 2x" data-file-width="805" data-file-height="988" /></a></span></td></tr><tr><th colspan="2" class="infobox-header" style="background-color: silver">Denominations</th></tr><tr><th scope="row" class="infobox-label">Plural</th><td class="infobox-data">XTZ, tez</td></tr><tr><th scope="row" class="infobox-label">Symbol</th><td class="infobox-data">ꜩ</td></tr><tr><th scope="row" class="infobox-label">Code</th><td class="infobox-data">XTZ</td></tr><tr><th scope="row" class="infobox-label">Subunits</th><td class="infobox-data"></td></tr><tr><th scope="row" class="infobox-label"><style data-mw-deduplicate="TemplateStyles:r886047488">.mw-parser-output .nobold{font-weight:normal}</style><span class="nobold"> <style data-mw-deduplicate="TemplateStyles:r1154941027">.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output .frac .den{vertical-align:sub}.mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);clip-path:polygon(0px 0px,0px 0px,0px 0px);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}</style><span class="frac"><span class="num">1</span>⁄<span class="den">1000000</span></span></span></th><td class="infobox-data">Mutez</td></tr><tr><th colspan="2" class="infobox-header" style="background-color: silver">Development</th></tr><tr><th scope="row" class="infobox-label">Original author(s)</th><td class="infobox-data"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li>Arthur Breitman</li><li>Kathleen Breitman</li></ul></div></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/White_paper" title="White paper">White paper</a></th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://tezos.com/whitepaper.pdf">"Tezos – a self-amending crypto-ledger"</a></td></tr><tr><th scope="row" class="infobox-label">Initial release</th><td class="infobox-data">7.0 / 30 June 2018<span class="noprint"> (6 years ago)</span><span style="display:none"> (<span class="bday dtstart published updated">2018-06-30</span>)</span></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Software_release_life_cycle" title="Software release life cycle">Latest release</a></th><td class="infobox-data">20.2 / July 16, 2024</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Repository_(version_control)" title="Repository (version control)">Code repository</a></th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="https://gitlab.com/tezos/tezos">gitlab<wbr />.com<wbr />/tezos<wbr />/tezos</a></span></td></tr><tr><th scope="row" class="infobox-label">Development status</th><td class="infobox-data">Active</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Programming_language" title="Programming language">Written in</a></th><td class="infobox-data"><a href="/wiki/OCaml" title="OCaml">OCaml</a></td></tr><tr><th scope="row" class="infobox-label">Source model</th><td class="infobox-data">Open Source</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Software_license" title="Software license">License</a></th><td class="infobox-data">MIT</td></tr><tr><th colspan="2" class="infobox-header" style="background-color: silver">Ledger</th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Trusted_timestamping" title="Trusted timestamping">Timestamping scheme</a></th><td class="infobox-data"><a href="/wiki/Proof-of-stake" class="mw-redirect" title="Proof-of-stake">Proof-of-stake</a></td></tr><tr><th scope="row" class="infobox-label">Block reward</th><td class="infobox-data">ꜩ40</td></tr><tr><th scope="row" class="infobox-label">Block time</th><td class="infobox-data">10 seconds (since Paris update)</td></tr><tr><th scope="row" class="infobox-label">Block explorer</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="https://tzstats.com">tzstats<wbr />.com</a></span> <p><span class="url"><a rel="nofollow" class="external text" href="https://tezblock.io">tezblock<wbr />.io</a></span> </p> <span class="url"><a rel="nofollow" class="external text" href="https://tzkt.io/">tzkt<wbr />.io</a></span></td></tr><tr><th scope="row" class="infobox-label">Circulating supply</th><td class="infobox-data">ꜩ1,002,937,109 (est. May 2024)</td></tr><tr><th colspan="2" class="infobox-header" style="background-color: silver">Website</th></tr><tr><th scope="row" class="infobox-label">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="https://tezos.com">tezos<wbr />.com</a></span></td></tr><tr><td colspan="2" class="infobox-below" style="background:#eee"><div style="text-align:left;"><style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-lower-alpha"> </div></div></td></tr></tbody></table> <p><b>Tezos</b> is an <a href="/wiki/Open-source_software" title="Open-source software">open-source</a> <a href="/wiki/Blockchain" title="Blockchain">blockchain</a> that can execute <a href="/wiki/Peer-to-peer" title="Peer-to-peer">peer-to-peer</a> transactions and serve as a platform for deploying <a href="/wiki/Smart_contracts" class="mw-redirect" title="Smart contracts">smart contracts</a>. The native <a href="/wiki/Cryptocurrency" title="Cryptocurrency">cryptocurrency</a> for the Tezos blockchain is the <b>tez</b> (<a href="/wiki/ISO_4217" title="ISO 4217">ISO 4217</a>: <b>XTZ</b>; <a href="/wiki/Currency_symbol" title="Currency symbol">sign</a>: <b>ꜩ</b>). The Tezos network achieves consensus using <a href="/wiki/Proof-of-stake" class="mw-redirect" title="Proof-of-stake">proof-of-stake</a>. Tezos uses an on-chain governance model that enables the protocol to be amended when upgrade proposals receive a favorable vote from the community.<sup id="cite_ref-Allomet2019_1-0" class="reference"><a href="#cite_note-Allomet2019-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Its <a href="/wiki/Testnet" title="Testnet">testnet</a> was launched in June 2018,<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> and its mainnet went live in September 2018.<sup id="cite_ref-bart20181121_3-0" class="reference"><a href="#cite_note-bart20181121-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tezos&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Tezos was first proposed in 2014 and created by husband-and-wife team Arthur and Kathleen Breitman.<sup id="cite_ref-Irrera_Stecklow_Neghaiwi_2017_4-0" class="reference"><a href="#cite_note-Irrera_Stecklow_Neghaiwi_2017-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> While working at <a href="/wiki/Morgan_Stanley" title="Morgan Stanley">Morgan Stanley</a> in 2014, Arthur Breitman released two papers that proposed a new type of blockchain under the pseudonym "L. M. Goodman," referencing a journalist at <i><a href="/wiki/Newsweek" title="Newsweek">Newsweek</a></i> who had misidentified the creator of <a href="/wiki/Bitcoin" title="Bitcoin">Bitcoin</a>.<sup id="cite_ref-0618Wired_5-0" class="reference"><a href="#cite_note-0618Wired-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> He chose the name "Tezos" after writing a program to list unclaimed websites that could be pronounced in English.<sup id="cite_ref-0618Wired_5-1" class="reference"><a href="#cite_note-0618Wired-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> In 2015, intending to develop Tezos, Arthur Breitman registered a company called Dynamic Ledger Solutions, Inc. (DLS) in Delaware, with himself as chief executive.<sup id="cite_ref-Irrera_Stecklow_Neghaiwi_2017_4-1" class="reference"><a href="#cite_note-Irrera_Stecklow_Neghaiwi_2017-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> In March 2014, he contracted French firm OCamlPro to help him conceive the protocol and develop the prototype and the ICO infrastructure.<sup id="cite_ref-0618Wired_5-2" class="reference"><a href="#cite_note-0618Wired-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Arthur worked at Morgan Stanley at the time. Still, he did not notify them of his work on Tezos as required by the Financial Industry Regulatory Authority (FINRA),[4] and eventually fined $20,000.<sup id="cite_ref-Irrera_Stecklow_McCrank_2018_6-0" class="reference"><a href="#cite_note-Irrera_Stecklow_McCrank_2018-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> He sought to raise $5 to $10 million from banks but could not find backers. By 2016, he left Morgan Stanley, and Tezos received $612,000 from 10 backers while the Breitmans planned for an <a href="/wiki/Initial_coin_offering" title="Initial coin offering">initial coin offering</a> (ICO).<sup id="cite_ref-Irrera_Stecklow_Neghaiwi_2017_4-2" class="reference"><a href="#cite_note-Irrera_Stecklow_Neghaiwi_2017-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>They received a $1.5 million investment from <a href="/wiki/Tim_Draper" title="Tim Draper">Tim Draper</a> and hired public relations firm Strange Brew to promote their project.<sup id="cite_ref-Irrera_Stecklow_Neghaiwi_2017_4-3" class="reference"><a href="#cite_note-Irrera_Stecklow_Neghaiwi_2017-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> The firm was alleged to have falsely claimed that large American financial firms were using Tezos.<sup id="cite_ref-0618Wired_5-3" class="reference"><a href="#cite_note-0618Wired-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-finews20171019_7-0" class="reference"><a href="#cite_note-finews20171019-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Tezos_Foundation_and_initial_coin_offering">Tezos Foundation and initial coin offering</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tezos&action=edit&section=2" title="Edit section: Tezos Foundation and initial coin offering"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In 2011, Arthur Breitman first met South African cryptocurrency entrepreneur Johann Gevers through his friend <a href="/wiki/Patri_Friedman" title="Patri Friedman">Patri Friedman</a>, the founder of <a href="/wiki/The_Seasteading_Institute" title="The Seasteading Institute">The Seasteading Institute</a>, who had hired Gevers for a project that Breitman had followed closely.<sup id="cite_ref-0618Wired_5-4" class="reference"><a href="#cite_note-0618Wired-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> From 2014 to 2017, the OCamlPro company was contracted by Arthur Breitman to help him design the first version of the protocol, develop the initial prototype in OCaml, and develop the infrastructure for an <a href="/wiki/Initial_coin_offering" title="Initial coin offering">initial coin offering</a> (ICO).<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2024)">citation needed</span></a></i>]</sup> On April 17, 2017,<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> the Tezos Foundation was established in Zug, Switzerland, by Arthur and Kathleen Breitman, Swiss law firm MME, and Gevers to support an ICO for the Tezos platform.<sup id="cite_ref-Irrera_Stecklow_Neghaiwi_2017_4-4" class="reference"><a href="#cite_note-Irrera_Stecklow_Neghaiwi_2017-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-0618Wired_5-5" class="reference"><a href="#cite_note-0618Wired-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> They planned for the foundation to become a non-profit to raise money through the ICO and acquire DLS, which owned the group's technology.<sup id="cite_ref-0618Wired_5-6" class="reference"><a href="#cite_note-0618Wired-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>In addition to Switzerland's relatively lax financial oversight and effectively zero corporate tax rate, the benefits for Tezos being in a foundation under the <a href="/wiki/Swiss_Civil_Code" title="Swiss Civil Code">Swiss Civil Code</a> included the ability to treat fundraising transactions as donations and acting as an additional layer of institutional security to protect donations.<sup id="cite_ref-0618Wired_5-7" class="reference"><a href="#cite_note-0618Wired-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Irrera_Stecklow_Neghaiwi_2017_4-5" class="reference"><a href="#cite_note-Irrera_Stecklow_Neghaiwi_2017-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-rodrigues2020_9-0" class="reference"><a href="#cite_note-rodrigues2020-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> Gevers became the foundation's first president.<sup id="cite_ref-0618Wired_5-8" class="reference"><a href="#cite_note-0618Wired-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>On July 1, 2017, the Tezos Foundation raised $232 million in Bitcoin and <a href="/wiki/Ethereum" title="Ethereum">Ethereum</a> in one of the biggest <a href="/wiki/Initial_coin_offering" title="Initial coin offering">initial coin offerings</a> (ICOs).<sup id="cite_ref-0618Wired_5-9" class="reference"><a href="#cite_note-0618Wired-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-VignaBitcoinBrawl_11-0" class="reference"><a href="#cite_note-VignaBitcoinBrawl-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> The contributions were termed "non-refundable donations", which Kathleen Breitman likened to a pledge drive where people would receive tote bags, though some participants considered them an investment.<sup id="cite_ref-Irrera_Stecklow_Neghaiwi_2017_4-6" class="reference"><a href="#cite_note-Irrera_Stecklow_Neghaiwi_2017-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> It would fall under the Securities and Exchange Commission (SEC) if considered an investment rather than a donation<sup id="cite_ref-rodrigues2020_9-1" class="reference"><a href="#cite_note-rodrigues2020-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> After the ICO, it was planned that the Tezos Foundation would pay to acquire DLS, and if the Tezos blockchain functioned for at least three months, the Breitmans would receive 8.5% of the ICO and 10% of the tokens.<sup id="cite_ref-bart20170803_12-0" class="reference"><a href="#cite_note-bart20170803-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p><p>By October, the Breitmans and Gevers were in a dispute over control of the project, with the Breitmans alleging Gevers pressured the foundation council into signing a contract, giving him a bonus of $1.5 million.<sup id="cite_ref-bart20171020_13-0" class="reference"><a href="#cite_note-bart20171020-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Fortune_2017_14-0" class="reference"><a href="#cite_note-Fortune_2017-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Irrera_Stecklow_Neghaiwi_2017_4-7" class="reference"><a href="#cite_note-Irrera_Stecklow_Neghaiwi_2017-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> <sup id="cite_ref-VignaBitcoinBrawl_11-1" class="reference"><a href="#cite_note-VignaBitcoinBrawl-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> Gevers controlled the assets held by the foundation, which stood at $820 million by December, including the Breitmans' share.<sup id="cite_ref-hody20171205_17-0" class="reference"><a href="#cite_note-hody20171205-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> The disagreements led to delays in the deployment of Tezos, which caused investors to bring lawsuits alleging fraud during the fundraiser and unauthorized sales of securities.<sup id="cite_ref-VignaBitcoinBrawl_11-2" class="reference"><a href="#cite_note-VignaBitcoinBrawl-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Stecklow_Irrera_Neghaiwi_2017_18-0" class="reference"><a href="#cite_note-Stecklow_Irrera_Neghaiwi_2017-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </p><p>In 2018, Gevers resigned and received $400,000, and the foundation board was replaced. Tezos went live that September.<sup id="cite_ref-0618Wired_5-10" class="reference"><a href="#cite_note-0618Wired-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-bart20181121_3-1" class="reference"><a href="#cite_note-bart20181121-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>In 2020, the Tezos founders settled the lawsuits, with the Tezos Foundation paying $25 million before federal courts ruled on whether the ICO was a sale of unregistered securities.<sup id="cite_ref-Irrera_Stecklow_2020_19-0" class="reference"><a href="#cite_note-Irrera_Stecklow_2020-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> Arthur Breitman joined the foundation's council in 2021.<sup id="cite_ref-finews20210224_20-0" class="reference"><a href="#cite_note-finews20210224-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p><p>In 2022, The Tezos Foundation launched a £1 million fund to collect NFTs by African and Asian artists to create a digital art gallery to house the collection, curated by British photographer Misan Harriman.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Design">Design</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tezos&action=edit&section=3" title="Edit section: Design"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The primary protocol of Tezos utilizes liquid <a href="/wiki/Proof_of_stake" title="Proof of stake">proof of stake</a> (LPoS) and supports <a href="/wiki/Turing-completeness" class="mw-redirect" title="Turing-completeness">Turing-complete</a> smart contracts in a <a href="/wiki/Domain-specific_language" title="Domain-specific language">domain-specific language</a> called Michelson. Michelson is a purely functional stack-based language with a reduced instruction set and no side effects, designed with <a href="/wiki/Formal_verification" title="Formal verification">formal verification</a> in mind.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </p><p>The Tezos protocol allows itself to be amended by a staged process performed by committing operations to the stored blockchain to submit proposals (intended code changes) and to vote on those changes. If a proposal receives enough votes, the protocol will update to incorporate the code changes.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </p><p>The Tezos blockchain has been used for <a href="/wiki/NFT" class="mw-redirect" title="NFT">NFTs</a> as an alternative to more energy-intensive projects such as <a href="/wiki/Ethereum" title="Ethereum">Ethereum</a>.<sup id="cite_ref-tabuchi2021_24-0" class="reference"><a href="#cite_note-tabuchi2021-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Founders">Founders</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tezos&action=edit&section=4" title="Edit section: Founders"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Before working in quantitative finance, Tezos co-founder Arthur Breitman studied applied mathematics, computer science, and physics in France and financial mathematics at New York University under Nassim Nicholas Taleb. Kathleen Breitman (née McCaffrey) studied at <a href="/wiki/Cornell_University" title="Cornell University">Cornell University</a> and worked at a hedge fund and as a consultant.<sup id="cite_ref-bart20170803_12-1" class="reference"><a href="#cite_note-bart20170803-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> Arthur was the leader of an <a href="/wiki/Anarcho-capitalist" class="mw-redirect" title="Anarcho-capitalist">anarcho-capitalist</a> group in New York, and Kathleen was a libertarian Republican; the two of them met at a <a href="/wiki/Crypto-anarchist" class="mw-redirect" title="Crypto-anarchist">crypto-anarchist</a> lunch in 2010<sup id="cite_ref-Irrera_Stecklow_Neghaiwi_2017_4-8" class="reference"><a href="#cite_note-Irrera_Stecklow_Neghaiwi_2017-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> and married in 2013.<sup id="cite_ref-0618Wired_5-11" class="reference"><a href="#cite_note-0618Wired-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Sponsorship">Sponsorship</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tezos&action=edit&section=5" title="Edit section: Sponsorship"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In mid-2021, Tezos signed a sponsorship deal with <a href="/wiki/Red_Bull_Racing" title="Red Bull Racing">Red Bull Racing</a>, which ended in December 2022.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </p><p>In October 2021, Tezos became a sponsor of the <a href="/wiki/New_York_Mets" title="New York Mets">New York Mets</a>.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </p><p>In February 2022, Tezos sponsored <a href="/wiki/Manchester_United_F.C." title="Manchester United F.C.">Manchester United</a> in a multi-year deal reportedly worth over £20 million annually.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p><p>In November 2022, Manchester United issued NFT digital collectibles on the Tezos blockchain.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tezos&action=edit&section=6" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist 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Picador. p. 89. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1250304179" title="Special:BookSources/978-1250304179"><bdi>978-1250304179</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Truth+Machine%3A+The+Blockchain+and+the+Future+of+Everything&rft.pages=89&rft.edition=March+2019&rft.pub=Picador&rft.date=2018&rft.isbn=978-1250304179&rft.aulast=Vigna&rft.aufirst=Paul&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATezos" class="Z3988"></span></span> </li> <li id="cite_note-tabuchi2021-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-tabuchi2021_24-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFTabuchi2021" class="citation web cs1"><a href="/wiki/Hiroko_Tabuchi" title="Hiroko Tabuchi">Tabuchi, Hiroko</a> (April 13, 2021). <a rel="nofollow" class="external text" href="https://www.nytimes.com/2021/04/13/climate/nft-climate-change.html">"NFTs Are Shaking Up the Art World. Are They Also Fueling Climate Change?"</a>. <i>The New York Times</i><span class="reference-accessdate">. Retrieved <span class="nowrap">March 24,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=The+New+York+Times&rft.atitle=NFTs+Are+Shaking+Up+the+Art+World.+Are+They+Also+Fueling+Climate+Change%3F&rft.date=2021-04-13&rft.aulast=Tabuchi&rft.aufirst=Hiroko&rft_id=https%3A%2F%2Fwww.nytimes.com%2F2021%2F04%2F13%2Fclimate%2Fnft-climate-change.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATezos" class="Z3988"></span></span> </li> <li id="cite_note-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-25">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSim2022" class="citation web cs1">Sim, Josh (2022-12-16). <a rel="nofollow" class="external text" href="https://www.sportspromedia.com/news/red-bull-f1-tezos-blockchain-sponsorship-deal/">"Tezos ending Red Bull sponsorship deal"</a>. <i>SportsPro</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=SportsPro&rft.atitle=Tezos+ending+Red+Bull+sponsorship+deal&rft.date=2022-12-16&rft.aulast=Sim&rft.aufirst=Josh&rft_id=https%3A%2F%2Fwww.sportspromedia.com%2Fnews%2Fred-bull-f1-tezos-blockchain-sponsorship-deal%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATezos" class="Z3988"></span></span> </li> <li id="cite_note-26"><span class="mw-cite-backlink"><b><a href="#cite_ref-26">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBurns2021" class="citation web cs1">Burns, Mark (5 August 2021). <a rel="nofollow" class="external text" href="https://www.sportsbusinessjournal.com/Daily/Closing-Bell/2021/08/05/Mets.aspx">"Mets add blockchain firm Tezos to sponsor roster"</a>. <i>Sports Business Journal</i><span class="reference-accessdate">. Retrieved <span class="nowrap">6 December</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Sports+Business+Journal&rft.atitle=Mets+add+blockchain+firm+Tezos+to+sponsor+roster&rft.date=2021-08-05&rft.aulast=Burns&rft.aufirst=Mark&rft_id=https%3A%2F%2Fwww.sportsbusinessjournal.com%2FDaily%2FClosing-Bell%2F2021%2F08%2F05%2FMets.aspx&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATezos" class="Z3988"></span></span> </li> <li id="cite_note-27"><span class="mw-cite-backlink"><b><a href="#cite_ref-27">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCrafton2022" class="citation web cs1">Crafton, Adam (9 February 2022). <a rel="nofollow" class="external text" href="https://theathletic.com/3511333/2022/02/09/manchester-united-confirm-20m-sponsorship-deal-with-blockchain-company-tezos/">"Manchester United confirm £20m sponsorship deal with blockchain company Tezos"</a>. <i>The Athletic</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=The+Athletic&rft.atitle=Manchester+United+confirm+%C2%A320m+sponsorship+deal+with+blockchain+company+Tezos&rft.date=2022-02-09&rft.aulast=Crafton&rft.aufirst=Adam&rft_id=https%3A%2F%2Ftheathletic.com%2F3511333%2F2022%2F02%2F09%2Fmanchester-united-confirm-20m-sponsorship-deal-with-blockchain-company-tezos%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATezos" class="Z3988"></span></span> </li> <li id="cite_note-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-28">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMcCaskill2022" class="citation web cs1">McCaskill, Steve (November 15, 2022). <a rel="nofollow" class="external text" href="https://www.sportspromedia.com/news/man-utd-manchester-united-tezos-nft-collectibles/">"Manchester United Launch Official NFT Digital Collectibles with Tezos"</a>. <i>Sports Pro Media</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Sports+Pro+Media&rft.atitle=Manchester+United+Launch+Official+NFT+Digital+Collectibles+with+Tezos&rft.date=2022-11-15&rft.aulast=McCaskill&rft.aufirst=Steve&rft_id=https%3A%2F%2Fwww.sportspromedia.com%2Fnews%2Fman-utd-manchester-united-tezos-nft-collectibles%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATezos" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tezos&action=edit&section=7" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="official-website"><span class="url"><a rel="nofollow" class="external text" href="https://tezos.com/">Official website</a></span></span> <span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q55290870#P856" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></li></ul> <p><br /> </p> <div class="navbox-styles"><style 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style="width:1%">Technology</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Blockchain" title="Blockchain">Blockchain</a></li> <li><a href="/wiki/Cryptocurrency_tumbler" title="Cryptocurrency tumbler">Cryptocurrency tumbler</a></li> <li><a href="/wiki/Cryptocurrency_wallet" title="Cryptocurrency wallet">Cryptocurrency wallet</a></li> <li><a href="/wiki/Cryptographic_hash_function" title="Cryptographic hash function">Cryptographic hash function</a></li> <li><a href="/wiki/Decentralized_finance#Decentralized_exchanges" title="Decentralized finance">Decentralized exchange</a></li> <li><a href="/wiki/Decentralized_finance" title="Decentralized finance">Decentralized finance</a></li> <li><a href="/wiki/Distributed_ledger" title="Distributed ledger">Distributed ledger</a></li> <li><a href="/wiki/Fork_(blockchain)" title="Fork (blockchain)">Fork</a></li> <li><a href="/wiki/Lightning_Network" 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</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Proof_of_work" title="Proof of work">Proof of work</a> currencies</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/SHA-2" title="SHA-2">SHA-256</a>-based</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bitcoin" title="Bitcoin">Bitcoin</a></li> <li><a href="/wiki/Bitcoin_Cash" title="Bitcoin Cash">Bitcoin Cash</a></li> <li><a href="/wiki/Counterparty_(platform)" title="Counterparty (platform)">Counterparty</a></li> <li><a href="/wiki/LBRY" title="LBRY">LBRY</a></li> <li><a href="/wiki/MazaCoin" title="MazaCoin">MazaCoin</a></li> <li><a href="/wiki/Namecoin" title="Namecoin">Namecoin</a></li> <li><a href="/wiki/Peercoin" title="Peercoin">Peercoin</a></li> <li><a href="/wiki/Titcoin" title="Titcoin">Titcoin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ethereum" title="Ethereum">Ethash</a>-based</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ethereum" title="Ethereum">Ethereum</a> (1.0)</li> <li><a href="/wiki/Ethereum_Classic" title="Ethereum Classic">Ethereum Classic</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Scrypt" title="Scrypt">Scrypt</a>-based</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Auroracoin" title="Auroracoin">Auroracoin</a></li> <li><a href="/wiki/Bitconnect" title="Bitconnect">Bitconnect</a></li> <li><a href="/wiki/Coinye" title="Coinye">Coinye</a></li> <li><a href="/wiki/Dogecoin" title="Dogecoin">Dogecoin</a></li> <li><a href="/wiki/Litecoin" title="Litecoin">Litecoin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Equihash" title="Equihash">Equihash</a>-based</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bitcoin_Gold" title="Bitcoin Gold">Bitcoin Gold</a></li> <li><a href="/wiki/Zcash" title="Zcash">Zcash</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">RandomX-based</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Monero" title="Monero">Monero</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Dash_(cryptocurrency)#X11" title="Dash 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(cryptocurrency)">Verge</a></li> <li><a href="/wiki/Vertcoin" title="Vertcoin">Vertcoin</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Proof_of_stake" title="Proof of stake">Proof of stake</a> currencies</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Algorand" title="Algorand">Algorand</a></li> <li><a href="/wiki/Avalanche_(blockchain_platform)" title="Avalanche (blockchain platform)">Avalanche</a></li> <li><a href="/wiki/Cardano_(blockchain_platform)" title="Cardano (blockchain platform)">Cardano</a></li> <li><a href="/wiki/EOS.IO" title="EOS.IO">EOS.IO</a></li> <li><a href="/wiki/Ethereum" title="Ethereum">Ethereum</a> (2.0)</li> <li><a href="/wiki/Gridcoin" title="Gridcoin">Gridcoin</a></li> <li><a href="/wiki/Injective_(blockchain)" title="Injective (blockchain)">Injective</a></li> <li><a href="/wiki/Kin_(cryptocurrency)" class="mw-redirect" title="Kin (cryptocurrency)">Kin</a></li> <li><a href="/wiki/Nxt" title="Nxt">Nxt</a></li> <li><a href="/wiki/Peercoin" title="Peercoin">Peercoin</a></li> <li><a href="/wiki/Polkadot_(cryptocurrency)" class="mw-redirect" title="Polkadot (cryptocurrency)">Polkadot</a></li> <li><a href="/wiki/Solana_(blockchain_platform)" title="Solana (blockchain platform)">Solana</a></li> <li><a href="/wiki/Steemit" title="Steemit">Steem</a></li> <li><a class="mw-selflink selflink">Tezos</a></li> <li><a href="/wiki/The_Open_Network" title="The Open Network">TON</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/ERC-20" class="mw-redirect" title="ERC-20">ERC-20</a> tokens</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Augur_(software)" title="Augur (software)">Augur</a></li> <li><a href="/wiki/Aventus_Protocol" class="mw-redirect" title="Aventus Protocol">Aventus</a></li> <li><a href="/wiki/Brave_(web_browser)#Basic_Attention_Token" title="Brave (web browser)">Basic Attention Token</a></li> <li><a href="/wiki/Chainlink_(blockchain)" title="Chainlink (blockchain)">Chainlink</a></li> <li><a href="/wiki/Kin_(cryptocurrency)" class="mw-redirect" title="Kin (cryptocurrency)">Kin</a></li> <li><a href="/wiki/KodakCoin" title="KodakCoin">KodakCoin</a></li> <li><a href="/wiki/Minds_(social_network)" title="Minds (social network)">Minds</a></li> <li><a href="/wiki/Polygon_(blockchain)" title="Polygon (blockchain)">Polygon</a></li> <li><a href="/wiki/Shiba_Inu_(cryptocurrency)" title="Shiba Inu (cryptocurrency)">Shiba Inu</a></li> <li><a href="/wiki/The_DAO_(organization)" class="mw-redirect" title="The DAO (organization)">The DAO</a></li> <li><a href="/wiki/Tron_(cryptocurrency)" class="mw-redirect" title="Tron (cryptocurrency)">TRON</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Stablecoin" title="Stablecoin">Stablecoins</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Dai_(cryptocurrency)" title="Dai (cryptocurrency)">Dai</a></li> <li><a href="/wiki/Diem_(digital_currency)" title="Diem (digital currency)">Diem</a></li> <li><a href="/wiki/Paxos_Trust_Company#Paxos_Standard" title="Paxos Trust Company">Pax</a></li> <li><a href="/wiki/Terra_(blockchain)" title="Terra (blockchain)">Terra</a></li> <li><a href="/wiki/Tether_(cryptocurrency)" title="Tether (cryptocurrency)">Tether</a></li> <li><a href="/wiki/USD_Coin" title="USD Coin">USD Coin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other currencies</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Chia_(cryptocurrency)" title="Chia (cryptocurrency)">Chia</a></li> <li><a href="/wiki/Filecoin" title="Filecoin">Filecoin</a></li> <li><a href="/wiki/Hashgraph" title="Hashgraph">HBAR (Hashgraph)</a></li> <li><a href="/wiki/Helium_Network" title="Helium Network">Helium</a></li> <li><a href="/wiki/Terra_(blockchain)" title="Terra (blockchain)">Luna</a></li> <li><a href="/wiki/MobileCoin" title="MobileCoin">MobileCoin</a></li> <li><a href="/wiki/Nano_(cryptocurrency)" title="Nano (cryptocurrency)">Nano</a></li> <li><a href="/wiki/NEO_(cryptocurrency)" title="NEO (cryptocurrency)">NEO</a></li> <li><a href="/wiki/SafeMoon" title="SafeMoon">SafeMoon</a></li> <li><a href="/wiki/Stellar_(payment_network)" title="Stellar (payment network)">Stellar</a></li> <li><a href="/wiki/WhopperCoin" title="WhopperCoin">WhopperCoin</a></li> <li><a href="/wiki/XRP_Ledger" title="XRP Ledger">XRP Ledger</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_cryptocurrencies#Inactive_currencies" title="List of cryptocurrencies">Inactive currencies</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bitconnect" title="Bitconnect">BitConnect</a></li> <li><a href="/wiki/Coinye" title="Coinye">Coinye</a></li> <li><a href="/wiki/KodakCoin" title="KodakCoin">KodakCoin</a></li> <li><a href="/wiki/OneCoin" title="OneCoin">OneCoin</a></li> <li><a href="/wiki/Petro_(cryptocurrency)" class="mw-redirect" title="Petro (cryptocurrency)">Petro</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Crypto service companies</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Hyperledger" title="Hyperledger">Hyperledger</a></li> <li><a href="/wiki/IQ.Wiki" class="mw-redirect" title="IQ.Wiki">IQ.Wiki</a></li> <li><a href="/wiki/Quahl" title="Quahl">Initiative Q</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related topics</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Airdrop_(cryptocurrency)" title="Airdrop (cryptocurrency)">Airdrop</a></li> <li><a href="/wiki/BitLicense" title="BitLicense">BitLicense</a></li> <li><a href="/wiki/Blockchain_game" title="Blockchain game">Blockchain game</a></li> <li><a href="/wiki/Complementary_currency" title="Complementary currency">Complementary currency</a></li> <li><a href="/wiki/Crypto-anarchism" class="mw-redirect" title="Crypto-anarchism">Crypto-anarchism</a></li> <li><a href="/wiki/Cryptocurrency_bubble" title="Cryptocurrency bubble">Cryptocurrency bubble</a></li> <li><a href="/wiki/Cryptocurrency_in_Nigeria" title="Cryptocurrency in Nigeria">Cryptocurrency in Nigeria</a></li> <li><a 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title="Initial exchange offering">Initial exchange offering</a></li> <li><a href="/wiki/List_of_cryptocurrencies" title="List of cryptocurrencies">List of cryptocurrencies</a></li> <li><a href="/wiki/Token_money" title="Token money">Token money</a></li> <li><a href="/wiki/Virtual_currency" title="Virtual currency">Virtual currency</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <b><a 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