从 DAS 开始了解 CKB 应用开发（一）— 如何保证 DAS 账户的唯一性

> 近日，DAS 创始人 TimYang （杨敏）在 Nervos CKB 上开发了 **DAS 去中心化账户服务**。借着这次的产品开发，TimYang 将通过《从 DAS 开始了解 CKB 应用开发》系列文章，向大家阐述他的设计思路和开发历程，让大家了解如何在世界上第一个基于 UTXO 架构的公链 CKB 上构建产品级应用。 > 在第一篇文章中，Tim 将向大家介绍他们在设计 DAS 时面临的第一个大问题 —— **如何保证 DAS 账户的唯一性**。欢迎</p> <div class="pt-0 d-none d-block d-xl-none d-lg-none"><aside id="header-widget-shop-down" class="widget-area"><p></p></aside></div><div class="post-note alert alert-warning mt-2" role="alert"><small><strong>声明：</strong>本站所有文章，如无特殊说明或标注，均为本站原创发布。任何个人或组织，在未征得本站同意时，禁止复制、盗用、采集、发布本站内容到任何网站、书籍等各类媒体平台。如若本站内容侵犯了原著者的合法权益，可联系我们进行处理。</small></div> <div class="entry-share"> <div class="row"> <div class="col d-none d-lg-block"> </div> <div class="col-auto mb-3 mb-lg-0"> <button class="go-star-btn btn btn-sm btn-white" data-id="5827"><i class="far fa-star"></i> 收藏</button> <button class="share-poster btn btn-sm btn-white" data-id="5827" title="文章封面图"><i class="fa fa-share-alt"></i> 海报</button> <button class="go-copy btn btn-sm btn-white" data-toggle="tooltip" data-placement="top" title="点击复制链接" data-clipboard-text="https://lanhainft.com/5827.html"><i class="fas fa-link"></i> 链接</button> </div> </div> </div> </div> </div> </div> </article> <div class="entry-navigation"> <div class="row"> <div class="col-lg-6 col-12"> <a class="entry-page-prev" href="https://lanhainft.com/2611.html" title="加密货币市场暴跌导致赵长鹏财富缩减至116亿美元，蒸发近90%"> <div class="entry-page-icon"><i class="fas fa-arrow-left"></i></div> <div class="entry-page-info"> <span class="d-block rnav">上一篇</span> <span class="d-block title">加密货币市场暴跌导致赵长鹏财富缩减至116亿美元，蒸发近90%</span> </div> </a> </div> <div class="col-lg-6 col-12"> <a class="entry-page-next" href="https://lanhainft.com/2600.html" title="Coinbase已允许开发者在应用中集成Coinbase Pay"> <div class="entry-page-info"> <span class="d-block rnav">下一篇</span> <span class="d-block title">Coinbase已允许开发者在应用中集成Coinbase Pay</span> </div> <div class="entry-page-icon"><i class="fas fa-arrow-right"></i></div> </a> </div> </div> </div> <div class="related-posts"> <h3 class="u-border-title">相关文章</h3> <div class="row"> <div class="col-lg-6 col-12"> <article id="post-10789" class="post post-list post-10789 type-post status-publish format-standard hentry category-gonglian category-blockchain"> <div class="entry-media"><div class="placeholder" style="padding-bottom: 66.666666666667%"><a target="_blank" href="https://lanhainft.com/10789.html" title="NEAR上的极光世界：全文解读 EVM 兼容链 Aurora 及其产品线" rel="nofollow noopener noreferrer"><img class="lazyload" data-src="https://hx24.huoxing24.cn/image/news/2022/05/27/1653628200404319.png" src="https://lanhainft.com/wp-content/themes/ripro-v2/assets/img/thumb-ing.gif" alt="NEAR上的极光世界：全文解读 EVM 兼容链 Aurora 及其产品线" /></a></div></div> <div class="entry-wrapper"> <header class="entry-header"><h2 class="entry-title"><a target="_blank" href="https://lanhainft.com/10789.html" title="NEAR上的极光世界：全文解读 EVM 兼容链 Aurora 及其产品线" rel="bookmark">NEAR上的极光世界：全文解读 EVM 兼容链 Aurora 及其产品线</a></h2></header> <div class="entry-footer"> <div class="entry-meta"> <span class="meta-category"> <a href="https://lanhainft.com/blockchain/gonglian" rel="category">公链</a> </span> <span class="meta-date"> <time datetime="2022-05-27T13:14:17+08:00"> <i class="fa fa-clock-o"></i> 2 年前 </time> </span> <span class="meta-views"><i class="fa fa-eye"></i> 13</span> </div> </div> </div> </article> </div> <div class="col-lg-6 col-12"> <article id="post-10716" class="post post-list post-10716 type-post status-publish format-standard hentry category-gonglian category-blockchain"> <div class="entry-media"><div class="placeholder" style="padding-bottom: 66.666666666667%"><a target="_blank" href="https://lanhainft.com/10716.html" title="速览 Terra 2.0 空投细则及计算方法示例" rel="nofollow noopener noreferrer"><img class="lazyload" data-src="https://hx24.huoxing24.cn/image/crawler/2022/05/26/1653571087734359.jpg" src="https://lanhainft.com/wp-content/themes/ripro-v2/assets/img/thumb-ing.gif" alt="速览 Terra 2.0 空投细则及计算方法示例" /></a></div></div> <div class="entry-wrapper"> <header class="entry-header"><h2 class="entry-title"><a target="_blank" href="https://lanhainft.com/10716.html" title="速览 Terra 2.0 空投细则及计算方法示例" rel="bookmark">速览 Terra 2.0 空投细则及计算方法示例</a></h2></header> <div class="entry-footer"> <div class="entry-meta"> <span class="meta-category"> <a href="https://lanhainft.com/blockchain/gonglian" rel="category">公链</a> </span> <span class="meta-date"> <time datetime="2022-05-26T23:03:20+08:00"> <i class="fa fa-clock-o"></i> 2 年前 </time> </span> <span class="meta-views"><i class="fa fa-eye"></i> 13</span> </div> </div> </div> </article> </div> <div class="col-lg-6 col-12"> <article id="post-10669" class="post post-list post-10669 type-post status-publish format-standard hentry category-gonglian category-blockchain"> <div class="entry-media"><div class="placeholder" style="padding-bottom: 66.666666666667%"><a target="_blank" href="https://lanhainft.com/10669.html" title="Vitalik 上海峰会演讲全文：以太坊合并或将在 8 月开始" rel="nofollow noopener noreferrer"><img class="lazyload" data-src="https://hx24.huoxing24.cn/image/crawler/2022/05/26/1653554672804324.jpg" src="https://lanhainft.com/wp-content/themes/ripro-v2/assets/img/thumb-ing.gif" alt="Vitalik 上海峰会演讲全文：以太坊合并或将在 8 月开始" /></a></div></div> <div class="entry-wrapper"> <header class="entry-header"><h2 class="entry-title"><a target="_blank" href="https://lanhainft.com/10669.html" title="Vitalik 上海峰会演讲全文：以太坊合并或将在 8 月开始" rel="bookmark">Vitalik 上海峰会演讲全文：以太坊合并或将在 8 月开始</a></h2></header> <div class="entry-footer"> <div class="entry-meta"> <span class="meta-category"> <a href="https://lanhainft.com/blockchain/gonglian" rel="category">公链</a> </span> <span class="meta-date"> <time datetime="2022-05-26T17:00:33+08:00"> <i class="fa fa-clock-o"></i> 2 年前 </time> </span> <span class="meta-views"><i class="fa fa-eye"></i> 9</span> </div> </div> </div> </article> </div> <div class="col-lg-6 col-12"> <article id="post-10650" class="post post-list post-10650 type-post status-publish format-standard hentry category-gonglian category-blockchain"> <div class="entry-media"><div class="placeholder" style="padding-bottom: 66.666666666667%"><a target="_blank" href="https://lanhainft.com/10650.html" title="ConsenSys：速览以太坊测试网简史" rel="nofollow noopener noreferrer"><img class="lazyload" data-src="https://lanhainft.com/suotu.png" src="https://lanhainft.com/wp-content/themes/ripro-v2/assets/img/thumb-ing.gif" alt="ConsenSys：速览以太坊测试网简史" /></a></div></div> <div class="entry-wrapper"> <header class="entry-header"><h2 class="entry-title"><a target="_blank" href="https://lanhainft.com/10650.html" title="ConsenSys：速览以太坊测试网简史" rel="bookmark">ConsenSys：速览以太坊测试网简史</a></h2></header> <div class="entry-footer"> <div class="entry-meta"> <span class="meta-category"> <a href="https://lanhainft.com/blockchain/gonglian" rel="category">公链</a> </span> <span class="meta-date"> <time datetime="2022-05-26T16:00:11+08:00"> <i class="fa fa-clock-o"></i> 2 年前 </time> </span> <span class="meta-views"><i class="fa fa-eye"></i> 40</span> </div> </div> </div> </article> </div> </div> </div> <div id="comments" class="entry-comments"> <div id="respond" class="comment-respond"> <h3 id="reply-title" class="comment-reply-title">发表回复 <small><a rel="nofollow" id="cancel-comment-reply-link" href="/5827.html#respond" style="display:none;">取消回复</a></small></h3><form action="https://lanhainft.com/wp-comments-post.php" method="post" id="commentform" class="comment-form" novalidate><p class="comment-notes"><span id="email-notes">您的电子邮箱地址不会被公开。</span> <span class="required-field-message">必填项已用 <span class="required">*</span> 标注</span></p><div class="comment-form-comment"><a class="btn btn-sm btn-link" href="javascript:embedImage();">插入图片</a><textarea id="comment" name="comment" class="required" rows="4" placeholder="请输入评论内容...">