暗号資産ウォレットとは？

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</head> <body class="academy-template-default single single-academy postid-242532"> <a href="https://shop.ledger.com/ja/pages/black-friday" class="header-top-banner"> <div class="header-top-banner--container"> <div class="header-top-banner--text" > <p>BLACK FRIDAY：Ledger Flexや対象のLedger Nanoウォレット、アクセサリをお得にゲット！</p> </div> <div class="header-top-banner--button"> <span>ショップに移動</span> </div> </div> </a> <header class="academy-header" id="header"> <div class="row"> <a href="https://www.ledger.com/ja/academy" title="Ledger Academy" class="logo"> <img src="https://www.ledger.com/wp-content/themes/ledger-v2/public/images/ledger-academy-logo-long.svg" alt="Ledger Academy"> </a> <nav class="academy-header-navigation" id="academy-header-navigation"> <ul> <li> <a href="https://shop.ledger.com/ja" title=""> Ledgerショップ </a> </li> <li> <a href="https://quest.ledger.com/" title=""> 学んで報酬獲得 <div class="svg-icon"> <svg id="Calque_1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 422.6 380.21"><path 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href="https://www.ledger.com/ja/academy/%E3%83%96%E3%83%AD%E3%83%83%E3%82%AF%E3%83%81%E3%82%A7%E3%83%BC%E3%83%B3%E3%81%AE%E5%90%84%E4%B8%96%E4%BB%A3%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E3%81%AE%E8%AA%AC%E6%98%8E" title="ブロックチェーンの各世代についての説明" >ブロックチェーンの各世代についての説明</a></li> <li><a href="https://www.ledger.com/ja/academy/%E6%9A%97%E5%8F%B7%E9%80%9A%E8%B2%A8%E3%81%A8%E3%81%AF%E6%AD%A3%E7%A2%BA%E3%81%AB%E3%81%AF%E4%BD%95%E3%81%A7%E3%81%99%E3%81%8B" title="暗号資産とは正確には何ですか？" >暗号資産とは正確には何ですか？</a></li> <li><a href="https://www.ledger.com/ja/academy/%E3%81%A9%E3%82%8C%E3%81%8F%E3%82%89%E3%81%84%E3%81%AE%E7%A8%AE%E9%A1%9E%E3%81%AE%E6%9A%97%E5%8F%B7%E8%B3%87%E7%94%A3%E3%81%8C%E5%AD%98%E5%9C%A8%E3%81%97%E3%81%BE%E3%81%99%E3%81%8B" title="どれくらいの種類の暗号資産が存在しますか？" >どれくらいの種類の暗号資産が存在しますか？</a></li> <li><a href="https://www.ledger.com/ja/academy/basic-basics/%E3%83%96%E3%83%AD%E3%83%83%E3%82%AF%E3%83%81%E3%82%A7%E3%83%BC%E3%83%B3%E3%81%A8%E3%81%AF" title="ブロックチェーンとは？" >ブロックチェーンとは？</a></li> </ul> </li> <li> <a >B) 暗号資産を保護する方法</a> <ul> <li><a href="https://www.ledger.com/ja/academy/%E7%A7%98%E5%AF%86%E9%8D%B5%E3%82%92%E4%BF%9D%E8%AD%B7%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95" title="暗号資産ウォレットとは？" class="color-grey-800">暗号資産ウォレットとは？</a></li> <li><a href="https://www.ledger.com/ja/academy/%E7%A7%98%E5%AF%86%E9%8D%B5%E3%81%A8%E3%81%AF" title="秘密鍵とは？" >秘密鍵とは？</a></li> <li><a href="https://www.ledger.com/ja/academy/%E7%A7%98%E5%AF%86%E3%81%AE%E3%83%AA%E3%82%AB%E3%83%90%E3%83%AA%E3%83%BC%E3%83%95%E3%83%AC%E3%83%BC%E3%82%BA%E3%81%A8%E3%81%AF" title="シードフレーズ（シークレットリカバリーフレーズ）とは？" >シードフレーズ（シークレットリカバリーフレーズ）とは？</a></li> <li><a href="https://www.ledger.com/ja/academy/%E6%9A%97%E5%8F%B7%E8%B3%87%E7%94%A3%E3%81%AE%E8%84%85%E5%A8%81%E7%94%A8%E8%AA%9E%E9%9B%86" title="暗号資産の脅威：暗号資産はどのように盗まれるのか" >暗号資産の脅威：暗号資産はどのように盗まれるのか</a></li> </ul> </li> <li> <a >C) Ledgerとは？</a> <ul> <li><a href="https://www.ledger.com/ja/academy/%E6%9C%80%E3%82%82%E5%AE%89%E5%85%A8%E3%81%AA%E6%9A%97%E5%8F%B7%E8%B3%87%E7%94%A3%E3%82%A6%E3%82%A9%E3%83%AC%E3%83%83%E3%83%88%E3%81%A7%E3%81%82%E3%82%8Bledger%E3%81%B8%E3%82%88%E3%81%86%E3%81%93%E3%81%9D" title="Ledgerとは？ Ledgerエコシステムについてご説明します" >Ledgerとは？ Ledgerエコシステムについてご説明します</a></li> <li><a href="https://www.ledger.com/ja/academy/ledger-nano%E3%81%8C%E6%9A%97%E5%8F%B7%E8%B3%87%E7%94%A3%E3%82%92%E4%BF%9D%E8%AD%B7%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95%E3%81%A8%E3%81%AF" title="Ledger Nanoが暗号資産を保護する方法とは？" >Ledger Nanoが暗号資産を保護する方法とは？</a></li> <li><a href="https://www.ledger.com/ja/academy/ledger-live%E3%82%A2%E3%83%97%E3%83%AA%E6%9A%97%E5%8F%B7%E8%B3%87%E7%94%A3%E3%81%AE%E8%B3%BC%E5%85%A5%E5%A3%B2%E5%8D%B4%E3%82%B9%E3%83%86%E3%83%BC%E3%82%AD%E3%83%B3%E3%82%B0%E3%82%B9%E3%83%AF%E3%83%83%E3%83%97" title="Ledger Liveアプリ：暗号資産の購入、売却、ステーキング、スワップ" >Ledger Liveアプリ：暗号資産の購入、売却、ステーキング、スワップ</a></li> </ul> </li> <li> <a >D) Web 3.0セキュリティの要点</a> <ul> <li><a href="https://www.ledger.com/ja/academy/web-30%E8%A9%90%E6%AC%BA%E3%81%AE%E8%AA%AC%E6%98%8E" title="Web 3.0詐欺の説明" >Web 3.0詐欺の説明</a></li> <li><a href="https://www.ledger.com/ja/academy/%E8%87%AA%E5%88%86%E3%81%A7%E8%AA%BF%E6%9F%BB%E6%9A%97%E5%8F%B7%E8%B3%87%E7%94%A3%E3%83%97%E3%83%AD%E3%82%B8%E3%82%A7%E3%82%AF%E3%83%88%E3%82%92%E8%AA%BF%E6%9F%BB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95" title="自分で調査：暗号資産プロジェクトを調査する方法" >自分で調査：暗号資産プロジェクトを調査する方法</a></li> <li><a href="https://www.ledger.com/ja/academy/%E6%9A%97%E5%8F%B7%E8%B3%87%E7%94%A3%E3%82%92ledger-nano%E3%81%AB%E7%A7%BB%E8%A1%8C%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95" title="暗号資産をLedger Nanoに移行する方法" >暗号資産をLedger Nanoに移行する方法</a></li> </ul> </li> <li> <a >F) ブロックチェーンの基礎</a> <ul> <li><a href="https://www.ledger.com/ja/academy/f-%E3%83%96%E3%83%AD%E3%83%83%E3%82%AF%E3%83%81%E3%82%A7%E3%83%BC%E3%83%B3%E3%81%AE%E5%9F%BA%E7%A4%8E/what-is-a-node-and-why-should-i-operate-one" title="暗号資産ノード：暗号資産ノードとは？仕組みは？" >暗号資産ノード：暗号資産ノードとは？仕組みは？</a></li> </ul> </li> <li> <a >G）ウォレットの知識（レベルアップ）</a> <ul> <li><a href="https://www.ledger.com/ja/academy/crypto-hardware-wallet" title="ハードウェアウォレットとは？" >ハードウェアウォレットとは？</a></li> <li><a href="https://www.ledger.com/ja/academy/g%E3%82%A6%E3%82%A9%E3%83%AC%E3%83%83%E3%83%88%E3%81%AE%E7%9F%A5%E8%AD%98%E3%83%AC%E3%83%99%E3%83%AB%E3%82%A2%E3%83%83%E3%83%97/what-is-a-software-wallet" title="ソフトウェアウォレットとは？" >ソフトウェアウォレットとは？</a></li> <li><a href="https://www.ledger.com/ja/academy/g%E3%82%A6%E3%82%A9%E3%83%AC%E3%83%83%E3%83%88%E3%81%AE%E7%9F%A5%E8%AD%98%E3%83%AC%E3%83%99%E3%83%AB%E3%82%A2%E3%83%83%E3%83%97/choose-the-best-crypto-wallet-for-you" title="暗号資産ウォレットの選び方" >暗号資産ウォレットの選び方</a></li> <li><a href="https://www.ledger.com/ja/academy/g%E3%82%A6%E3%82%A9%E3%83%AC%E3%83%83%E3%83%88%E3%81%AE%E7%9F%A5%E8%AD%98%E3%83%AC%E3%83%99%E3%83%AB%E3%82%A2%E3%83%83%E3%83%97/%E3%82%B3%E3%83%BC%E3%83%AB%E3%83%89%E3%82%A6%E3%82%A9%E3%83%AC%E3%83%83%E3%83%88%E3%81%A8%E3%81%AF" title="コールドウォレットとは何ですか?" >コールドウォレットとは何ですか?</a></li> </ul> </li> <li> <a >H) 購入、売却、スワップ、獲得</a> <ul> <li><a href="https://www.ledger.com/ja/academy/h-%E8%B3%BC%E5%85%A5%E5%A3%B2%E5%8D%B4%E3%82%B9%E3%83%AF%E3%83%83%E3%83%97%E7%8D%B2%E5%BE%97/earn-crypto-with-ledger-live-staking-made-easy" title="Ledger Liveで暗号資産を獲得：簡単にステーキング" >Ledger Liveで暗号資産を獲得：簡単にステーキング</a></li> <li><a href="https://www.ledger.com/ja/academy/h-%E8%B3%BC%E5%85%A5%E5%A3%B2%E5%8D%B4%E3%82%B9%E3%83%AF%E3%83%83%E3%83%97%E7%8D%B2%E5%BE%97/swap-through-ledger-live" title="Ledger Liveで暗号資産を安全にスワップする方法" >Ledger Liveで暗号資産を安全にスワップする方法</a></li> </ul> </li> </ul> </li> <li class="has-children"> <a >トピック <i class="icon-chevron-bottom"></i></a> <ul> <li> <a href="https://www.ledger.com/ja/academy/library-ja/topic/defi-ja-2" title="DeFi" >DeFi</a> </li> <li> <a href="https://www.ledger.com/ja/academy/library-ja/topic/ledgersolutions-ja" title="Ledgerソリューション" >Ledgerソリューション</a> </li> <li> <a href="https://www.ledger.com/ja/academy/library-ja/topic/nfts" title="NFT" >NFT</a> </li> <li> <a href="https://www.ledger.com/ja/academy/library-ja/topic/security" title="セキュリティ" >セキュリティ</a> </li> <li> <a href="https://www.ledger.com/ja/academy/library-ja/topic/tutorials" title="チュートリアル" >チュートリアル</a> </li> <li> <a href="https://www.ledger.com/ja/academy/library-ja/topic/blockchain" title="ブロックチェーン" >ブロックチェーン</a> </li> <li> <a href="https://www.ledger.com/ja/academy/library-ja/topic/crypto" title="暗号資産" >暗号資産</a> </li> <li> <a href="https://www.ledger.com/ja/academy/library-ja/topic/scams-ja" title="詐欺" >詐欺</a> </li> </ul> </li> <li class="has-children"> <a >シリーズ <i class="icon-chevron-bottom"></i></a> <ul> <li> <a href="https://www.ledger.com/ja/academy/series/ledger-how-tos-ja" title="Ledgerの使い方" >Ledgerの使い方</a> </li> <li> <a href="https://www.ledger.com/ja/academy/series/on-the-ledger" title="On The Ledger" >On The Ledger</a> </li> <li> <a href="https://www.ledger.com/ja/academy/series/school-of-block" title="School of Block" >School of Block</a> </li> <li> <a 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href="https://twitter.com/intent/tweet?via=ledger&text=%E6%9A%97%E5%8F%B7%E8%B3%87%E7%94%A3%E3%82%A6%E3%82%A9%E3%83%AC%E3%83%83%E3%83%88%E3%81%A8%E3%81%AF%EF%BC%9F&url=https%3A%2F%2Fwww.ledger.com%2Fja%2Facademy%2F%25E7%25A7%2598%25E5%25AF%2586%25E9%258D%25B5%25E3%2582%2592%25E4%25BF%259D%25E8%25AD%25B7%25E3%2581%2599%25E3%2582%258B%25E6%2596%25B9%25E6%25B3%2595" title="X" rel="nofollow noopener" target="_blank" style="font-size:32px!important;box-shadow:none;display:inline-block;vertical-align:middle"><span class="heateor_sss_svg heateor_sss_s__default heateor_sss_s_x" style="background-color:#2a2a2a;width:21px;height:21px;border-radius:999px;display:inline-block;opacity:1;float:left;font-size:32px;box-shadow:none;display:inline-block;font-size:16px;padding:0 4px;vertical-align:middle;background-repeat:repeat;overflow:hidden;padding:0;cursor:pointer;box-sizing:content-box"><svg width="100%" height="100%" style="display:block;border-radius:999px;" focusable="false" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32"><path fill="#fff" d="M21.751 7h3.067l-6.7 7.658L26 25.078h-6.172l-4.833-6.32-5.531 6.32h-3.07l7.167-8.19L6 7h6.328l4.37 5.777L21.75 7Zm-1.076 16.242h1.7L11.404 8.74H9.58l11.094 14.503Z"></path></svg></span></a></div><div class="heateorSssClear"></div></div> </div> <figure class="wp-block-image size-large" id="block-2225c877-9a8e-4562-a68a-1142035190bf"><img loading="lazy" decoding="async" width="1024" height="432" src="https://ledger-wp-website-s3-prd.ledger.com/uploads/2022/11/11_Classroom_Cover_Purple-1024x432.jpg" alt="暗号資産ウォレットは秘密鍵を保持し、ブロックチェーン資産を管理できるようにします。" class="wp-image-267659" srcset="https://ledger-wp-website-s3-prd.ledger.com/uploads/2022/11/11_Classroom_Cover_Purple-1024x432.jpg 1024w, https://ledger-wp-website-s3-prd.ledger.com/uploads/2022/11/11_Classroom_Cover_Purple-300x127.jpg 300w, https://ledger-wp-website-s3-prd.ledger.com/uploads/2022/11/11_Classroom_Cover_Purple-768x324.jpg 768w, https://ledger-wp-website-s3-prd.ledger.com/uploads/2022/11/11_Classroom_Cover_Purple-1536x648.jpg 1536w, https://ledger-wp-website-s3-prd.ledger.com/uploads/2022/11/11_Classroom_Cover_Purple-490x207.jpg 490w, https://ledger-wp-website-s3-prd.ledger.com/uploads/2022/11/11_Classroom_Cover_Purple.jpg 1600w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure> <figure class="wp-block-table"><table><tbody><tr><td>重要なポイント：</td></tr><tr><td>—秘密鍵は暗号資産の所有権を定義します。しかし、管理と保護が難しい場合があります。<br/><br/>—対応する秘密鍵を取得すると、誰でもブロックチェーンアドレスにアクセス可能です。したがって、安全に保つことが不可欠です。 <br/><br/>—暗号資産ウォレットは秘密鍵を保持し、ブロックチェーン資産を管理できるようにします。</td></tr></tbody></table></figure> <p>暗号資産の初心者で、暗号資産ウォレットがどのように機能するのか、なぜ暗号資産ウォレットが必要なのか疑問に思っている場合は、ここが正しい場所です。暗号化は急な学習曲線のように思えるかもしれません。信じてください。この重要な基礎作業を行い、ブロックチェーン資産がどのように機能するかを適切に理解することで、暗号化の旅に乗り出すときに（セキュリティは言うまでもなく）成功に向けて準備が整います。</p> <p>暗号資産は、ブロックチェーン上に存在する価値の形式にすぎません。簡単に言えば、ブロックチェーンはデジタル資産を追跡するデジタル台帳であり、実際、そこに暗号資産が実際に保存されます。特定のブロックチェーンアドレスにある資金にアクセスできる唯一の方法は、<a href="https://www.ledger.com/ja/academy/%E7%A7%98%E5%AF%86%E9%8D%B5%E3%81%A8%E3%81%AF">秘密鍵</a>と呼ばれるものを使用することです。この秘密鍵は、ブロックチェーン内のアドレスに対応します。これにより、そのアドレスとそこに保存されている値を制御できるようになり、必要なときに使用したり交換したりできます。暗号資産ウォレットは、あなたと秘密鍵の間のリンクです。 </p> <p>したがって、暗号資産ウォレットが何をするのか、またその目的を理解することは、自分のデジタル資産を管理する上で不可欠です。</p> <h2 class="wp-block-heading">暗号資産ウォレットとは？</h2> <p>簡単に言えば、暗号資産ウォレットは、ブロックチェーン上の資金にアクセスして管理できるようにするインターフェイスです。これは一種のコントロールパネルとして機能し、保有している暗号資産の量を正確に表示します。さらに、ブロックチェーンと通信して、貴重なデジタル資産を送受信可能です。暗号資産ウォレットは、あなたとブロックチェーン上の資産との間の架け橋であると言えるかもしれません。</p> <p>ただし、名前とは裏腹に、暗号資産ウォレットにはコインやトークンは含まれておらず、それらはブロックチェーン自体に残ります。むしろ、その目的は、ブロックチェーンアドレスと保存されているすべてへのアクセスを可能にする非常に重要な秘密鍵を保護することです。その仕組みを理解するために、まず暗号資産ウォレットの目的を見てみましょう。</p> <h2 class="wp-block-heading">暗号資産（仮想通貨）ウォレットとは？</h2> <p>暗号資産ウォレットは、秘密鍵へのアクセスを提供しながら、純粋に秘密鍵を保護するために存在します。これらの秘密鍵を使用すると、暗号資産を送受信するためのアドレスにアクセスできます。また、身元を確認したり、特定のツールやコミュニティなどにアクセスしたりするために使用するインターフェイスも提供します。 <a href="https://www.ledger.com/academy/how-to-trade-crypto" target="_blank" rel="noreferrer noopener">暗号資産取引</a>や<a href="https://www.ledger.com/academy/what-is-defi" target="_blank" rel="noreferrer noopener">DeFi</a>プラットフォーム、<a href="https://www.ledger.com/academy/what-are-nft" target="_blank" rel="noreferrer noopener">NFT</a>に参加したい場合は、暗号資産ウォレットが必要になります。 </p> <h3 class="wp-block-heading">しかし、そもそもなぜ暗号資産ウォレットが必要なのでしょうか?</h3> <p>説明すると、オリジナル形式の秘密鍵は、256個の1と0からなる長い文字列です。暗号資産ユーザーにとって、この秘密鍵を保存することはリスクがあり、非現実的です。説明すると、あなたの秘密鍵を持っている人は誰でもあなたのすべての資金にアクセスできます。 </p> <p>たとえば、秘密鍵を書き留めるのは安全ではない保管方法です。この番号を一人の他者が見るだけで、暗号資産がすべて失われてしまいます。複数の暗号資産アカウントを持っている場合はどうなりますか? それぞれの秘密鍵を書いて保存する必要があるため、誰かがこの貴重な情報を見て、その意味を理解する可能性が高まります。</p> <p>コンピューターに保存するだけでも危険です。インターネットに接続されているデバイスはすべて、ハッカーやマルウェアの危険にさらされていることに注意してください。つまり、秘密鍵をデバイスに保管すると、ハッキングに対して脆弱にもなります。</p> <p>したがって、ブロックチェーンを安全かつ簡単に操作するには、複数のキーを一度に管理する必要があり、他の当事者にキーを公開することなく取引できるようにする必要があります。これこそが、暗号資産ウォレットの目的です。</p> <h2 class="wp-block-heading">暗号資産ウォレットの種類は何がある？</h2> <p>暗号資産ウォレットにはソフトウェア、ハードウェアなどさまざまな種類があります。取引所のウォレットのような一部のものは保管されています。しかし、それは正確には何を意味するのでしょうか？</p> <p>これらをそれぞれさらに詳しく見てみましょう。</p> <h3 class="wp-block-heading"><strong>カストディアルウォレット</strong></h3> <p>通常、カストディアルウォレットは集中管理された取引所によって発行され、資金を完全に管理できるわけではありません。つまり、取引所は、資産に真の所有権を与える秘密鍵を保持します。</p> <p>取引所のウォレットは、カストディアルです。つまり、あなた自身の秘密鍵を信頼するのではなく、取引所自体があなたに代わって秘密鍵を保持します。代わりに、プラットフォームのログイン認証情報が取得され、これがウォレットへのアクセス方法になります。これらのプラットフォームを使用すると、アカウントを簡単に回復できますが、真の所有権という代償が伴います。</p> <p>暗号資産をカストディアルウォレットに保管することは、他人のガレージに車を駐車するようなものです。車をあなたが所有していても、ガレージの鍵はガレージの所有者が持っています。場合によっては、ガレージの所有者が自分のキーをあなたと共有しないと、車を所有しているにもかかわらず、車を運転することができなくなります。これは、取引所ウォレットの非常に正確な例えです。</p> <h3 class="wp-block-heading"><strong>ソフトウェアウォレット</strong></h3> <p><a href="https://www.ledger.com/academy/topics/security/what-is-a-software-wallet">ソフトウェアウォレット</a>は、別名ホットウォレットとして知られており、ホストデバイス上でソフトウェアとして動作し、インターフェイス内に秘密鍵を保存します。ほとんどの場合、これらのウォレットは非保管型であり、キーを保管することができます。ただし、秘密鍵は携帯電話やパソコン上のインターネットに接続されたアプリケーションに保存されるため、これにはリスクが伴います。</p> <p>これらのデバイスは常に自動的にインターネットに接続されるため、非常に便利です。コンピュータ上のウォレットインターフェイスを介してオンラインアプリケーションにログインするだけで、使用開始できます。 </p> <p>ただし、これは、暗号資産への鍵が常にオンラインであることも意味します。個人のデバイスと接続を使用して、ハッカーにより秘密鍵に遠隔でアクセスされる可能性があります。暗号資産ユーザーが詐欺に遭う最も一般的な方法は、ハッキングされたデバイスを経由するものです。したがって、ホットウォレットを使用するのは簡単かもしれませんが、必要なセキュリティは提供されません。</p> <p>どのようにしてオンライン上に多数存在するハッカーから遠ざけているのでしょうか？</p> <h3 class="wp-block-heading"><strong>ハードウェアウォレット</strong></h3> <p><a href="https://www.ledger.com/ja?post_type=academy&p=280349" target="_blank" rel="noreferrer noopener">ハードウェアウォレット</a>は、暗号資産とその紐づく秘密鍵をインターネットから離れた場所に保存する物理デバイスです。ウォレットで取引を行う場合でも、ウォレットはオフライン環境で<a href="https://www.ledger.com/ja?post_type=academy&p=280345" target="_blank" rel="noreferrer noopener">取引を確認</a>します。このプロセスは、秘密鍵をインターネットのリスクから常に遠ざけるのに役立ちます。</p> <p>さらに、ハードウェアウォレットは非カストディアルウォレットです。秘密鍵と資金へのアクセス権を所有しているのはあなただけです。したがって、これを使用すると、暗号資産に関連付けられた秘密鍵を所有することになります。暗号資産のセキュリティを真剣に受け止め、新たなリスクを理解していれば、なぜハードウェアウォレットが必要なのか納得いただけるはずです。</p> <p>ハードウェアウォレットは、コールドウォレットと呼ばれることがよくありますが、これは正確ではありません。コールドウォレットはハードウェアではない可能性があり (他の種類もあります)、すべてのハードウェアウォレットが「コールド」であるわけではありません。その代わりに、コールドウォレットは秘密鍵をオフラインに保つだけでなく、スマートコントラクトやWeb3プラットフォームと一切やり取りしない特徴を持ちます。鍵がオフラインであっても、悪意のあるトランザクションに署名するリスクがあります。スマートコントラクトへの署名を避けることで、これらのリスクを回避可能です。コールドウォレットの目的は、純粋に資産を「保管」することなのです。詳細については、暗号資産を分離する方法に関するLedger Academyの記事をご覧ください。</p> <h2 class="wp-block-heading">最も安全な暗号資産ウォレットとは何ですか?</h2> <p>暗号資産を保護したい場合、唯一の現実的な選択肢はハードウェアウォレットを購入することです。これにより、資産を管理しながら、秘密鍵を安全かつオフラインに保つことができます。</p> <p>Ledgerデバイスは、現存する最も安全な暗号資産ウォレットの一部であり、セキュアエレメントチップで秘密鍵を保護します。このコンポーネントは、クレジットカード、パスポート、支払いシステムなど、さまざまな安全な環境で使用されています。機密データが管理されるシステムに最高レベルのセキュリティを提供します。これは、秘密鍵をオフラインに保ち、ハッカーから遠ざけるだけでなく、Ledgerデバイス自体も、内部に最先端のコンポーネントが組み込まれているため、外部の脅威から完全に侵入できないことを意味します。</p> <p>暗号資産の取引をよく行う場合は、Ledgerが最適なオプションです。 <a href="https://shop.ledger.com/pages/hardware-wallets-comparison">Ledger NanoやLedger Stax</a>などのハードウェアウォレットが安全であることはもちろん、デスクトップやモバイルから簡単な資産管理を可能にするソフトウェアのコンパニオンアプリ「<a href="https://www.ledger.com/ja/academy/ledger-live%E3%81%AE%E3%83%91%E3%83%AF%E3%83%BC" target="_blank" rel="noreferrer noopener">Ledger Live</a>」を利用できる点がその理由として挙げられます。 Ledgerは、暗号資産に関するあらゆるニーズへ安全な手段を提供します。</p> <div class="wp-block-image"> <figure class="aligncenter size-large"><a href="https://quest.ledger.com/quests/how-to-own-crypto" target="_blank" rel="noopener"><img loading="lazy" decoding="async" width="1024" height="576" src="https://ledger-wp-website-s3-prd.ledger.com/uploads/2022/12/Version-3a-7-1024x576.png" alt="" class="wp-image-255160" srcset="https://ledger-wp-website-s3-prd.ledger.com/uploads/2022/12/Version-3a-7-1024x576.png 1024w, https://ledger-wp-website-s3-prd.ledger.com/uploads/2022/12/Version-3a-7-300x169.png 300w, https://ledger-wp-website-s3-prd.ledger.com/uploads/2022/12/Version-3a-7-768x432.png 768w, https://ledger-wp-website-s3-prd.ledger.com/uploads/2022/12/Version-3a-7-1536x864.png 1536w, 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