欧链Oracle Chain老狼：专心做技术 看好预言机数据服务的未来 ｜ 链茶访 链茶访是链茶馆新开辟的区块链项目报道专栏，每周会对一个项目团队进行专访，链茶馆将挖掘不同项目的闪光点，讲述区块链开发

老狼身材瘦瘦高高的，手提着公文包，初见给人IT行业资深老兵的印象，戴了一架轻便的眼镜，整个人显得文质彬彬。在互相介绍一番后，老狼夸赞道：“熊市之下，还有人坚持做媒体，真的是不容易啊。”，茶馆觉得正是因为熊市，大家迫切的想看到行业未来的发展方向，我们媒体才更应该报道优秀的项目，让各位区块链同侪借鉴。

The old wolf, skinny and tall, with a briefcase, first made it look like a senior veteran in the IT industry, had a light glasses, and the whole of the man was very human. After an introduction to each other, the old wolf boasted: "It's really not easy for someone to be in the press under the Bear City." The teahouse feels that it is precisely because of Bear City, where everyone is eager to see the future of the industry, that we in the media should be able to report on excellent projects, so that our members of the chain can learn from each other.

老狼请我们喝了香草咖啡，秋季的北京干燥而萧瑟，一口温润的咖啡正可润人心脾，我们的专访也随之展开。老狼介绍到，欧链团队目前33人，公司在北京成立于去年的6月份，团队3位合伙人全部是区块链技术方面的专家，之前都在同一个集团公司任职，这位三人创建欧链公司提供了契机。

The old wolf invited us for vanilla coffee, dry and depressed in Beijing in the fall, and a warm cup of coffee was refreshing, and our interview began. The old wolf told us that there were currently 33 members of the Eurolink team, that the company was founded in Beijing in June of last year, and that all three partners were technical experts in the sector chain, all of whom had previously served in the same company, and that the three had provided an opportunity to create the Eurolink company.

老狼的家在成都，本科毕业于电子科技大学，这倒是巧了，我们链茶馆的家也在成都。他在新加坡留学、工作8年后回国，另一位合伙人是清华的信息安全博士，在中国农业银行总行工作了多年。第三位合伙人是北大的数学博士，他是在高校里面一直从事科研工作，因此这三名合伙人具有庞大的技术能力与技术资源。

The old wolf's home is Chengdu, he graduated from the University of Electronic Technology, and our chain tea house is Chengdu. He returned home eight years after studying and working in Singapore, with another partner, Qinghua, a Ph.D. in Information Security, who worked for many years at the Central Bank of Agriculture in China. The third partner is the Big North Mathematics Doctor, who has been doing research and research at the University, so the three partners have enormous technical skills and technical resources.

老狼是位很细心的受访者，他为了我们可以更好的了解欧链内容，亲自怀抱笔记本电脑，手指PPT为我们一一讲解。他认为，团队源于技术，必要精于技术，他们入场的时候并不是牛市，所以他们也不准备去赚快钱，他们希望通过预言机信息技术去完善整个智能合约生态，做一个长线的项目。

The old wolf is a very careful interviewer who, in order for us to get a better idea of the Eurolinks, has a laptop and a finger PPT to explain to us. He believes that the team comes from technology, it needs to be technical, they're not in the cattle market, so they're not ready to make quick money, and they want to improve the entire smart contract ecology and do a long-line project through the Predictor Information Technology.

欧链公司创建后，做了一项与其他项目非常不同的事情，便是申请了46想区块链技术专利。老狼不无骄傲的谈到，我们的这些专利是可以跟一些大厂比肩的，因为即使是大厂，做技术的也是他们这样的人去负责，技术专利方面差的不多。

Since the creation of Eurolink, one very different thing from other projects is to apply for a 46-year chain technology patent. The old wolf is proud to say that our patents can be compared to some of the big factories, because even the big ones are responsible for the technology, and not much less so in terms of technology patents.

欧链以公司的名义参与了工信部区块链标准的制定。欧链公司分为研发、产品、运营、商务四大部门，目前正在北京闭关研讨，未来准备开发布局一些自己的DApp项目。

In the name of the company, EULEX is involved in the development of ICT block chain standards. EULEX is divided into four main sectors: R & D, products, operations, and commerce, and is currently in the process of closing discussions in Beijing to develop some of its own DApp projects in the future.

区块链为什么需要预言机服务？

Why does the block chain need a prophecy service?

从根本上来说，欧链不是一条链，也不是一款DAPP，而是为智能合约生态提供现实数据上链的服务方，也就是预言机服务的提供方。而区块链真的特别需要预言机服务吗？

Essentially, the chain is not a chain, nor is it a DAPP, but a service provider that provides a realistic data upper chain for intelligent contract ecology, i.e., a prophesy machine service. And does the block chain really need a prophesy machine service?

老狼给我们举了一个随机数抽奖的实例，他们日前推出了自己代币OCT的随机抽奖系统，邀请了46名对于预言机服务感兴趣的志愿者提供随机数。这46位志愿者即是随机数服务中的Data Feeder（数据提供者），OracleChain 引入了声望（Reputation）的奖惩机制、风险金（Deposit）的惩罚机制和 Oracle 费用的奖励机制来完成 data feed 过程，最终回答 Oracle 答案。

The old wolf gave us an example of a random number of prizes that they had recently launched their own currency, OCT, inviting 46 volunteers interested in prophesy services to provide random numbers. The 46 volunteers were the Data Feeder (data provider) in random numbers, and Oracle Chain introduced Reputation, Deposit and Oracle fees incentives to complete the data feed process and ultimately answer Oracle answers.

欧链通过一系列比较复杂的算法（因为算法过于复杂，采访中没有过多询问），可以将多名Data Feeder的数据生成随机数，确保整个抽奖流程的公平公正。老狼谈到，通过欧链的数据处理，只要这众多参与者中可以保证至少1人不作恶，最终的数据就是完全公平公正的，这是由技术来控制的。

Through a series of more complex algorithms (because of the complexity of the algorithms and the lack of queries in the interviews), the chain can generate random numbers from many Data Feeder data and ensure fairness and fairness in the entire drawing process. The old wolf talks about processing data through the chain, so long as at least one of the many players is safe, the final data is completely fair and just, which is controlled by technology.

而在区块链DAPP现实应用场景中，老狼谈到目前来看最适合的是预测、竞猜类项目。因为这些项目智能合约无法形成数据结果的公信力，用户在竞猜中会产生质疑，而通过欧链的预言机服务，介入第三方数据采集与提供，可以保证完全的公平公正。目前，天算已经与欧链构成了合作，天算所有关于数字资产价格的预测数据由欧链来提供。

In the context of the practical application of the block chain DAPP, the old wolf talks about the most appropriate projects for prediction and guessing at the moment. Because these smart contracts do not create the credibility of the data results, users question in the contest, and by intervening in third-party data collection and availability through the Eurolinker service, full fairness is assured.

老狼说的有些口渴，喝了些咖啡继续谈到，目前整个区块链生态对于预言机数据的需求不太旺盛，这在欧链项目立项之初他们是预见到了的。因为中心化的数据传输，也完全能跑通，所谓的公平公正可以做成相对的，而不是绝对的。但是老狼对于欧链预言机服务也充满信心，他认为暂时这项服务需求不大是因为还没有信息作恶造成巨大影响，如果哪天某个项目因为信息作恶而造成C端用户的损失，对于智能合约生态的信息公平公正的需求一定会扩大。

The old wolf said that he was thirsty and had some coffee and continued to say that the entire block chain ecology was currently less demanding for prophetic data, which they had foreseen at the beginning of the Eurolink project. Because centralized data transfers were also fully functional, so that the so-called fairness could be relative, rather than absolute.

欧链为什么会成为EOS的超级节点？

Why is the EOS supernode?

链茶馆了解到欧链是EOS上的超级节点，同时也在EOS开源社区中贡献颇多，目前提供了25项开源代码。那么欧链为什么这么看好EOS呢？老狼把PPT翻到了一页非常具有公关性质的内容上，上面欧链接点（oraclegogogo）排在了EOS超级节点的第40名，旁边还有拉票的标语。在他看来，以太坊的智能合约性能太差，去年6月份比较了几条比较知名的公链后，选择了当时并不被看好的EOS作为欧链的生态起始点。

The chain teahouse has learned that the Eurolink is a supernode on EOS, and that it also contributes significantly to the EOS open-source community, and now provides 25 open-source codes. So why does the chain look so good to EOS? The old wolf turned the PPT to a very public relations page with the oraclegogogo top 40th of the EOS Supernode, accompanied by a plaque. In his view, Taipan's smart contract was too poor, and after comparing several of the more well-known public chains last June, he chose EOS, which was not considered to be the ecological starting point of the EOS chain.

老狼谈到，至少EOS上面可以完成单线程每秒几千次的数据交互，而以太坊只有几十次，这时候他又打开了他们制作的EOS数字钱包，上面有几十个DAPP，他坦言道，就这几十个DAPP足可以把以太坊堵死了。作为智能合约数据交互服务的提供者，他们当然要选择一条底层性能更好的公链。

The old wolf said that at least there are thousands of data interactions per second on EOS, and only a few dozen on Ether, when he opened up the EOS digital wallet that they made, with dozens of DAPPs on it, and he said, frankly, that dozens of DAPPs could shut Ether down. As providers of smart contract data interactive services, of course, they have to choose a lower-level public chain of performance.

而欧链又为什么会成为EOS的超级节点呢？老狼又将ppt翻到了他们为EOS贡献的开源代码那一页，25项技术类、开发类、工具类的代码清晰可见。他颇为自豪的谈到，一些高校的区块链技术开发课程，老师直接下载他们的工具进行教学。“我们为EOS开源社区做出了突出的贡献，这已经是超级节点该做的事情，而且在没有大力宣传的前提下，仅凭欧链自身的影响力，就被社区评选为比较靠前的第40名超级节点”他如是说。

And why does the chain become the EOS supernode? The old wolf turned the appt to the page of the open source of their contribution to EOS, with 25 technical, developmental, tool code clearly visible. He was proud to say that some of the university’s block-link technology development courses had led teachers to download their tools directly for teaching. “We made a remarkable contribution to the EOS open-source community, which was already the supernode, and, without much publicity, the chain itself was selected by the community as the 40th supernomere before.” He said.

预言机服务于智能合约生态，而现在的智能合约生态、DApp都不够繁荣，老狼认为欧链可以利用自身EOS超级节点的权限和影响力，对于生态发展进行推动，目前他们也在寻求与一些区块链游戏的积极合作。欧链打算将一款EOS的区块链游戏，放置入微信小游戏平台进行链下运营，用户通过游戏内的积分，可以直接兑换这块应用在EOS生态内的链上资产。而同时作为有盈利压力的项目，成为EOS的前70名超级节点，可以获得EOS的一些返利，也将享有更多的社区资源。

Predictors serve smart contract ecology, and the smart contract ecology, Dapp, is not prosperous enough. The old wolf believes that the chain can use its own EOS supernode powers and influence to drive ecological development, and they are now seeking active cooperation with a number of block-link games. The EOS block chain game is intended to operate under a chain that allows users to directly convert assets that can be used in the EOS eco-coastal chain through their own credits. And, as a profitable project, it is the top 70 EOS supernodees that can get some return benefits from EOS, which will also enjoy more community resources.

欧链的盈利模式是怎样的？目前状态如何？

What's the profit model for the chain? What's the status?

欧链是专注于底层技术的项目，那盈利点肯定要依靠于智能合约生态对于预言机服务的需求，但是目前的现实情况是，大部分项目对于预言机信息服务没有过多的需求，这将限制欧链的盈利能力，老狼对于这样的情况是如何看的呢？

The Eurolink is a project focused on bottom technology, and the profit point must be based on the need for smart contract ecology for the prophecy service, but the current reality is that most projects do not have too much demand for the prophesy information service, which will limit its profitability. How does the wolf see this situation?

老狼谈到，欧链项目从创建的一开始，就决定了未来的盈利模式，一定是要通过预言机数据服务来变现的。欧链发行了2亿枚OCT，可这也不能证明项目是要依靠OCT的币价增值进行一个盈利，他认为发币只是为了让预言机服务整个业务线可以跑在通证经济的环境下，形成一个经济闭环，而真正的盈利点还是要依靠数据服务本身。

The old wolf said that the Eurolink project, from the very beginning of its creation, determined the future profit model, which had to be realized through the Predictorial Data Service. It had issued 200 million copies of the OCT, but that did not prove that the project was profiting from the value added of the OCT, which, in his view, merely allowed the Prophecy Service to run its entire business line in a tranco-economy environment, creating an economic closure, while the real profit point was still dependent on the data service itself.

老狼是一个非常诚恳的人，他坦言欧链目前处于盈利小于支出的状态，团队确实有盈利压力在，但是因为本身是生态化的长线技术项目，还有投资方的支持，盈利的压力也没有空前的巨大。团队已经在随机数抽奖方面，完成了预言机数据服务的合作，同时跟上文提到的天算项目也达成付费合作，团队制作的EOS数字钱包拥有数万注册用户，同时在一些需求预言机服务的基础设施建设上也有布局。这些业务的开展都为欧链贡献了部分收入，现在团队全员正在北京进行闭关研讨，准备孵化一些自己的DApp，推动更适合预言机数据使用的应用生态出现。

The old wolf is a very sincere man, who claims that the European chain is currently less profitable than spending, and that the team does have profitable pressures, but because it is an eco-friendly long-line technology project, supported by investors, there is no unprecedented pressure for profitability. The team has already completed its collaboration with the Predictorial Data Service on random drawings, and has worked on a fee-paying project, with tens of thousands of registered users in the EOS digital wallets produced by the team, and some of the infrastructure that requires the Predictorial Services.

而作为欧链预言机服务中的token，OCT的价格也比较稳定，去年94后，欧链回收了市面上1000万枚OCT，并进行了永久的销毁，目前OCT的市值还没有破发过。

The price of the OCT, token in the Eurolink foreword service, was also fairly stable, with 10 million OCTs on the market recovered and permanently destroyed after last year's 94th year, and the market value of the OCT has not yet broken.

沉浸于技术研发的乐观开发者

The optimist developer of technology development

采访过程中，链茶馆也提出了目前预言机服务需求不大以及欧链数据服务增加成本的现实问题，老狼非常乐观的说：“目前这些问题的存在只是暂时的，随着行业的稳步发展，未来区块链哪个项目是不需要公正的链外数据服务呢？”他莞尔一笑，欧链既然选择了苦哈哈埋头做技术，那就做到底，赚钱总会有时机。

During the interview, the chain teahouse also raised the real issue of the current low demand for the foreword machine service and the increased cost of the European chain data service, and the old wolf was very optimistic: “The current existence of these problems is only temporary, and with the steady development of the industry, which of the future block chains does not require a just off-link data service?” He laughed, and since the chain had chosen hard-core technology, there was always a time to make money.

老狼谈到，今年五月末，360与欧链共同研发了EOS超级节点安全方案，还自豪的找到那天周鸿祎发的微博，与自己朋友圈发的合作协议照片给我们看。在跟政府相关部门的科研项目中，老狼也给我们举了很多例子（由于涉及相关部门工作细节，文章中不适合提及），这些基础设施方向的合作，虽然不能为欧链带来盈利，但却可以为欧链的预言机数据服务积累技术经验以及社会资源。

The old wolf said that, at the end of May this year, 360 co-developed the EOS supernode security program with the European chain, and proudly found a microblogging by Zhou Hung to show us photos of the cooperation agreement with his friends. In research projects with relevant government departments, the old coyote also gave us a number of examples (due to the detailed work of the relevant sector, which is not appropriate in the articles), and that cooperation in these infrastructure directions, while not making a profit for the European chain, could build up technical experience and social resources for the European chain’s predictive data services.

欧链国内外社区维护也颇为成功，在海外拥有15万粉丝规模的电报群，土耳其的科技记者还专访过老狼，国内有13个微信群，聚集了一批对于预言机技术感兴趣的人。老狼对于目前的熊市也是非常乐观的，没有过多的资本泡沫，正可以为技术研究验证出一条适合的道路。

Community maintenance in Europe and abroad has also been successful, with 150,000 fan-sized cables abroad, and Turkish tech journalists have visited old wolves, with 13 micro-messages in the country, bringing together a group of people interested in predictive technology. The old wolves are also very optimistic about the current bear city, with no excessive capital bubbles, and are proving a suitable path for technological research.

区块链行业的伙伴们，如果想分享自己团队的开发故事、想与大家交流开发与运营经验，可以扫描下方【链茶馆王孟齐】微信二维码，预约链茶访专栏报道。

Partners in the block chain industry who want to share their team development stories and share their experience of development and operation can scan two-dimensional micro-codes of the chain tea visit column below.

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