译文/Translated：
WordProof创始人Sebastiaan van der Lans对区块链验证数据的未来有一个大胆的想法。一年前，我们在 #建立在EOSIO之上 专栏中介绍过Sebastiaan和他团队的插件，WordProof时间戳。之后，WordProof获得Block.one的EOS VC资助，最近，它在泛欧洲区块链公益竞赛中获胜，取得100万欧元的奖金，因此被欧盟委员会承认。
Sebastiaan花了15年做开源项目、建立WordPress社区。建立WordProof之前，Sebastiaan及其团队为GDPR（一般资料保护规则）开发了开源的WordPress插件，这个插件在他自己的公司Van Ons上就有1300万次下载。现在他说，他之所以成功，部分原因是他坚持搭建开源的解决方案。“开源在我们公司的DNA中。”
WordProof的第一个工具，WordProof时间戳让基于WordPress的网站能够实现透明度、创造坚实的内容历史，保证未来不能改变这些编辑历史。这个工具只是其完整的时间戳生态系统的一部分，团队还在为其它网站平台和浏览器开发插件。
和Yoast合作改进SEO
Sebastiaan相信，时间戳是最佳的做法之一，应该被采用，这么一来，组织就承诺对其客户群体保持透明。这个过程中，WordProof将捍卫开源、区块链支持的数据验证解决方案。WordProof时间戳证书已经服务了不止1亿次网页浏览了，人们可以在其中验证网站内容的修改。
Sebastiaan想让WordProof时间戳兼容Schema.org，这个网站是社区导向的项目，旨在创造、维护和推广网络上的结构式数据架构。搜索引擎通过Secha.org解读数据，而大公司，如谷歌、必应、雅虎，则在这些标准上协作。
加入这个计划的还有Yoast，它创建了著名的同名SEO（搜索引擎优化）插件，插件已经有2.66亿次下载，在1100万个活跃的网站上使用。网站利用Yoast执行Schema.org协议。最近Yoast宣布投资WordProof，标志着它给搜索引擎带来了可以被区块链验证的内容。
对很多人来说，搜索引擎代表着通往更大的网络的大门；几乎每个活跃在网上的人都是从某些搜索开始的。但是Sebastiaan却说，大的搜索引擎也有问题。“还有些问题搜索引擎还没有解决。比如，如果你改变了一篇文章的日期，你可能就有几天可以获得更高的排名。还有个问题就是内容复制。如果内容被复制了，你真的有这个权限吗？搜索引擎又怎么知道谁先谁后呢？”
“我们和Yoast合作的事宜就是确保开源的时间戳会是Schema.org的一部分。”Sebastiaan认为，开源的解决方案能够让网站证明自己没有篡改数据。
此外，WordProof还打算为搜索引擎提供关于单个单词更详细的信息。如企业名字或个体身份这样的词汇可以被认为是某个网站上的特殊词。搜索引擎可以识别这个信息，并更好地对内容进行分类。
哪怕大的搜索引擎不能马上集成区块链支持的数据标准，Sebastiaan认为，越早开始使用，未来获得收益越大。“好的地方是，哪怕它们要好几年才能承认时间戳的价值，现在开始利用时间戳也是有意义的，因为这样未来你的排名就会上升。每个大型技术网站中，大量数据都来自过去的文章，所以这么做能够获得长远价值。”
Sebastiaan认为，基于区块链的SEO排名系统可以被广泛使用，尤其是利用了EOSIO的功能之后。“区块时间越短，资源成本越低。所以我们才决定从EOSIO开始。”
扩大透明度的工具
启动了WordProof时间戳之后，一个标签或者带着任何同属性信息的链接将会出现在WordPress网站上。点击链接会弹出窗口会显示网站内容，如当前版本和过去的每一个版本。这个插件会记录修改的每一个迭代，标红已删除内容、标绿新增内容。
Sebastiaan说，“你几乎可以对任何信息做哈希加密。你加入了任何正规文档都会被哈希加密，然后你就加入交易。对于文本内容，我们会把关于作者的所有信息加入一个json文档：url、时间等。对媒体，我们也定义了一个类型做相同的操作。”
Sebastiaan说，机构想要充分利用WordProof时间戳，就需要高性能的区块链，“EOSIO的区块时间只需要半秒钟，所以利用EOSIO是理智的选择。CNN不可能在发新闻之前花个十分钟等下一个比特币区块出现，毕竟，新闻靠的是速度。”
更多机遇
WOrdProof团队还在探索如何绑定特殊身份，从而进一步加强自己的时间戳生态。Sebastiaan建议要为经过认证的身份相关的时间戳搭建一个分层的系统。“你会看到无身份时间戳、实名认证的时间戳、二者之间的时间戳。”Sebastiaan举例假设，领英账户来的时间戳可能会在更高的身份层上，而从Twitter上来、相对匿名的账户则会在更低的身份层上。
Sebastiaan支持使用主权身份标准，这样任何人就不容易假冒他人、并在他人未知的情况下扩大信息。为了实现这个目的，Sebastiaan正在努力教导欧洲的立法者。“现在我们在游说欧盟委员会，它们也支持我们，毕竟我们赢得了这场比赛，所以它们有在关注我们。”
Sebastiaan相信，未来，欧洲会引领这个潮流，因为欧洲会强制要求诸如金融、健康、甚至可能政治的内容都需要加上时间戳。WordProof已经准备好采用任何标准，不管是以广泛接受的、社区导向的开源解决方案形式或者直接来自监管和守法的实体。
建立在EOSIO之上？
我们的 #建立在EOSIO 系列展示了利用EOSIO科技的一些卓越的项目，它们都能为我们更加安全和联系的世界添砖加瓦。如果您想给我们下一个阶段的项目提建议，请给我们的开发者关系小组发送邮件spotlight@block.one
–Block.one开发者关系小组
了解EOS VC如何通过战略性投资和风投合作伙伴基金支持EOSIO生态，请访问 vc.eos.io
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原文/Original：
WordProof founder Sebastiaan van der Lans has a bold vision for the future of blockchain-verified data. We first featured Sebastiaan and his team’s plugin, WordProof Timestamp, a year ago in our #BuiltonEOSIO series. Since then, WordProof was awarded an EOS VC grant by Block.one and was most recently recognized by the European Commission as winner of a €1 million prize in the pan-European Blockchain for Social Good competition.
Sebastiaan has spent over 15 years working with open-source initiatives and building WordPress communities. Before founding WordProof, Sebastiaan and his team developed an open-source WordPress plugin for GDPR that has over 1.3 million downloads at his agency Van Ons. Today, he attributes part of his success to his commitment to building open-source solutions. “Open-source is in our DNA as a company.”
WordProof’s first tool, WordProof Timestamp, is a means for WordPress-based websites to embrace transparency and create bulletproof content history that cannot be altered in the future. The tool is just one part of their holistic Timestamp Ecosystem, and the team is developing plugins for other website platforms and browsers.
Teaming up with Yoast to Improve SEO
Sebastiaan believes that timestamping should be adopted as a part of best practices, and that by doing so, organizations show a commitment to transparency for their audiences. In that effort, WordProof is spearheading an open-source, blockchain-backed data verification solution. WordProof Timestamp Certificates have already served over 100 million page views, where people can verify modifications to site content.
Sebastiaan intends to make WordProof Timestamping Certificates compatible with Schema.org, which is a community-driven effort to create, maintain, and promote schemas for structured data on the internet. Search engines interpret data via Schema.org, and major industry players such as Google, Bing, and Yahoo collaborate on these standards.
Joining the cause is Yoast, creator of a popular SEO plugin by the same name, with over 266 million downloads, and in use on over 11 million active websites. Websites use Yoast to implement the Schema.org protocol. Yoast recently announced its investment in WordProof, signaling its dedication to bring blockchain-verifiable content to search engines.
For many, search engines represent a gateway to the greater internet; almost every online activity begins with some form of search. But Sebastiaan says that big search engines have issues. “There are some problems that search engines haven’t been able to tackle. For example, if you change the date of an article, you might rank higher for a few days. There’s also an issue with duplicate content. If content is copied, are you allowed to do so, and how will search engines know who was first?”
“What we’re working on together with Yoast is making sure that open-source timestamps will become part of Schema.org.” According to Sebastiaan, the open-source solution will allow sites to prove that they didn’t tamper with their data.
In addition, WordProof intends to provide more granular information to search engines about individual words. Traits like the name of a business or a person’s identity can be attributed to a particular word on a site. Search engines can interpret this information and use it to better classify the content.
Even if big search engines don’t immediately integrate the blockchain-backed data standard, Sebastiaan says that those who embrace it early stand to benefit over time. “The nice thing is that even if it takes them years before they acknowledge the value of timestamping, it still makes sense to timestamp now because it could help you in ranking later. On every big tech website, a lot of volume comes from older articles, so it’s a long-term gain.”
Sebastiaan thinks that blockchain-based SEO ranking systems could be widely adopted, especially with the features of EOSIO. “The short block times, the low resource costs. These are all reasons we decided to start with EOSIO.”
A Tool for Greater Transparency
With WordProof Timestamp enabled, a badge or link with any kind of information attributed to it is displayed on a WordPress website. Clicking that link brings up a window that shows the site’s content, including the current version, as well as every past version. The plugin keeps track of each iteration of revisions, highlighting removed text in red and new additions in green.
According to Sebastiaan, “You can literally hash anything. Any formal file you put in, a hash comes out, and you put it in a transaction. With text, we put it in a json file with all the information about the author: url, date, stuff like that. And we have defined a type to do the same with media.”
Sebastiaan says it takes a performant blockchain for organizations to make the most of WordProof Timestamp. “It makes sense to use EOSIO because of the half-second block times. CNN can’t wait for 10 minutes for the next bitcoin block before they publish because news is about the speed of publishing.”
More Possibilities Ahead
The WordProof team is exploring ways to tie in unique identities to further enhance their timestamping ecosystem. Sebastiaan proposes a tiered level system for timestamps linked to vetted identities. “You have a timestamp without an identity, with a government identity, and everything in between.” In this hypothetical example, Sebastiaan says that a timestamp from a LinkedIn account might rest on a higher identity tier, whereas one linked to a relatively unvetted Twitter account would be on a lower identity tier.
Sebastiaan supports the adoption of a sovereign identity standard that makes it harder for anyone to impersonate someone else and amplify a message without their consent. In that effort, Sebastiaan has been working to educate European lawmakers. “We’re lobbying at the European Commission at the moment, and they’re very supportive because of the prize we won, so we’re on their radar.”
In the future, Sebastiaan thinks that Europe will be leading the pack by making timestamps mandatory for industries like finance, health and possibly even political content. WordProof stands ready to adapt to whichever standard arises, whether it emerges in the form of a widely-embraced, community-driven open-source solution or directly from regulatory and compliance entities.
Building on EOSIO?
Our #BuiltOnEOSIO series showcases some of the amazing projects leveraging EOSIO technology to build a more secure and connected world. If you would like to suggest a project for us to feature, please send an email to spotlight@block.one for our Developer Relations team to review.
-Block.one Developer Relations team
For more information on how EOS VC supports the EOSIO ecosystem through strategic investments and venture capital partnership funds, visit vc.eos.io.
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