本周技术周刊包含以太坊、Kusama、Solana、Cardano、Filecoin五个公链的技术类消息。
This week's weekly technical magazine contains news of technology in five public chains: Eta, Kusama, Solana, Cardano and Filecoin.
以太坊网络
ETA network
旧版本以太坊客户端Geth出现bug，BSC、Polygon等链受影响
The old version appears as a bug in the Geth client, and the BSC, Polygon, and so forth are affected.
旧版本的以太坊网络客户端Geth中的一个bug已经导致运行这些版本的节点与主网络分离。该bug影响旧版本的Geth客户端，特别是v1.10.7和更早版本。这些节点占所有以太坊节点的近75%，而73%的Geth客户端仍在运行旧版本。这意味着大约54%的以太坊节点在运行时存在重大基础设施bug。令人担忧的是，这可能导致双花攻击。TheBlockResearch已经确认了一个利用该漏洞的地址。该bug还会影响其他兼容EVM的链，如BSC和Polygon。
An old version of an Ethernet client, a bug, has caused the running nodes of these versions to be separated from the main network. The bug affects the old version of the Geth client, especially v1.10.7 and earlier. These nodes account for nearly 75% of all eth nodes, while 73% of the Geth client are still running the old version. This means that about 54% of the eth nodes run with significant infrastructure bugs.
商务部：上半年区块链技术服务等新兴数字化服务离岸执行额同比增长186.3%:商务部23日披露，2020年上半年，我国企业承接服务外包合同额6795.3亿元人民币（币种下同），执行额4501.3亿元，同比分别增长5.9%和10.9%。云计算服务、人工智能服务、区块链技术服务等新兴数字化服务离岸执行额同比增长186.3%。（证券时报）[2020/7/23]
Ministry of Commerce: In the first half of the year there was a corresponding increase of 186.3 per cent in the offshoring of new digital services, such as block chain technical services: in the first half of the year, the Ministry of Commerce disclosed that in the first half of the year 2020, our enterprise contracted to outsource services in the amount of $6,79.53 billion (the same currency) and implemented in the amount of $45.13 billion, representing an increase of 5.9 per cent and 10.9 per cent, respectively, respectively, of the same amount of 186.3 per cent for new digital services, such as cloud computing services, artificial intelligence services, block chain technical services, etc. (System Times) [2020/7/23].
以太坊域名系统在以太坊上完全集成DNS域名空间
Ether's domain name system is fully integrated into DNS domain space at Ether.
以太坊域名系统宣布在以太坊上完全集成DNS域名空间，允许将任何.com域名关联到以太坊地址。例如，如果用户在DNS上拥有example.com，可以将其导入ENS继续使用example.com，而非example.eth，另外，还允许用户设置ENS纪录，以在example.com域名上接收ETH、BTC和DOGE等加密货币。ENS表示，该功能的开发是由以太坊基金会和ETCLabs资助。这只是ENS更大愿景的开始。ENS一开始只是针对以太坊地址.ETH域名，但它已经发展成为DNS的全面扩展，并行运行并支持一组全新用例：可移植的Web3用户名和设置、任何加密货币的支付以及去中心化网站。
For example, if the user has an example.com on DNS, it can be imported into ENS to continue using example.com instead of example.eth, and also allow the user to set ENS records to receive encrypted currency such as ETH, BTC and DOGE on the example.com domain name. ENS states that the development of the function is funded by ETA Foundation and ETCLabs. This is only the beginning of the ENS larger vision. ENS was initially targeted only at the ENS address.ETH domain name, but it has developed into a full expansion of DNS, running in parallel and supporting a whole new set of examples: portable Web3 user names and settings, payment of any encrypted currency, and off-centre websites.
声音 | 国务院发展研究中心党组书记：应通过区块链等技术建立质量的追溯体系:据新京报消息，由国务院发展研究中心指导、中国经济年鉴社主办的2019年中国粮食与食品安全战略峰会11月3日在京举行。国务院发展研究中心党组书记马建堂表示，应通过区块链等技术建立质量的追溯体系，切实做到优质、优价，通过价格的信号引导生产者发展高品质的农产品。[2019/11/22]
According to the Newjing newspaper, the China Food and Food Safety Strategy Summit of 2019 was held in Tokyo on 3 November, under the direction of the State Council Development Research Centre and the auspices of the China Economic Yearbook. The State Council Development and Research Centre's Party Group, Ma Jianxang, stated that a quality retroactive system should be established through technologies such as block chains to ensure good quality and good prices and lead producers to develop high-quality agricultural products through price signals.[2019/11/22]
以太坊8月25日全网算力达646.7065T，创历史新高
On August 25th, Ether's full Internet capacity reached 646.7065T, the highest in history.
8月26日消息，据Bitinfochart最新数据显示，8月25日当天以太坊全网算力达到646.7065T，创下历史新高。
On 26 August, according to the latest data from Bitinfochart, on 25 August, a total of 646.7065 T was reached on the Taiku network, a historic high.
以太坊客户端Geth发布1.10.8版本以修复伦敦升级之前的漏洞
Release version 1.10.8 with the Taiwan client Geth to fix the gap before the upgrade in London
8月24日消息，以太坊客户端Geth发布修补EVM漏洞的v1.10.8版本，具体的漏洞细节将晚些时候公开，从而给节点方和相关项目方时间来更新它们的节点和软件以避免攻击。同时由于此漏洞在伦敦升级之前即已存在，因此所有支持伦敦硬分叉的Geth版本都易受到攻击，应该马上更新。该漏洞由在Sentnl工作的荷兰开发者GuidoVranken于审计智能合约平台Telos的TelosEVM时发现，并提交了报告。
On August 24, an announcement was made on the Taiyo client, Geth, to close the EVM gap in version V1.10.8. The details of the gap will be made public at a later date, thus giving nodes and associated project parties time to update their nodes and software to avoid attacks. And, since the gap existed before London’s upgrade, all of the hard Geth versions in support of London are vulnerable and should be updated immediately. The bug was discovered by the Dutch developer Guido Vranken, working at Sentnl, at the audit of TelesEVM on the smart contract platform, and a report was submitted.
动态 | 人民网慕课上线“区块链学院”将探索分享适用于各行业的区块链技术:据人民网慕课公众号6月6日消息，近日，人民网慕课“区块链学院”正式上线。该学院课程由人民网慕课和FISCO BCOS开源社区联合打造，旨在整合协调区块链技术研究资源，提高学员单位在区块链技术领域的研发能力，探索、研发、分享适用于各行业的区块链技术，以及在此基础之上的应用场景。[2019/6/10]
According to the People's Networking Public News, June 6, the People's Networking Institute of Block Chains has recently been officially launched. The curriculum of the Academy, which was developed jointly by the People's Networking and the FISCO BCOS Open Community, is aimed at integrating and coordinating technical research resources for block chains, enhancing the research and development capabilities of the student unit in the area of block chain technology, exploring, developing and sharing sector chain technologies applicable to the various industries, and applying it on this basis [2019/6/10].
以太坊2.0客户端Lighthouse发布v1.5.0版本
Released v1.5.0 from the courthouse 2.0 client Lighthouse
以太坊2.0客户端Lighthouse发布v1.5.0版本，该版本新增了对以太坊2.0测试网Pyrmont上Altair硬分叉的支持，此外还包括提高了验证者的证明速率、缓存未知区块以提高验证奖励、支持在Rust语言下编译等更新，且该版本无法兼容v1.4.0或更早的版本。注，以太坊2.0测试网Pyrmont已于19日进行Altair硬分叉，Altair是以太坊相对较小的信标链更新，其中一个重要新功能是轻客户端同步委员会，此委员会里的验证者会定期得到激励，把区块头的信息提供给轻客户端。
Issuance of version v1.5.0 in Tai Fan 2.0 client Lighthouse, which adds support for the hard split of Altair on the Pyrmomont test network, and also includes an increase in the rate of certification of certifying officers, the cache of unknown blocks to enhance the incentives for certification, support for editing under the Rust language, etc., which cannot be compatible with the version of v1.4.0 or earlier. Note that Pyrmont tested the network with the Tai Pa 2.0 test has performed a hard split of Altair on 19 days, and Altair has been updated with a relatively small chain of letters from the Tai family, one of the key new functions being the Light Client Synchronization Committee, where certifying officers are regularly encouraged to provide information on blockheads to light clients.
声音 | 狄刚：应积极推进以区块链技术服务于现实需求的应用落地:今日，中国人民银行数字货币研究所副所长狄刚发文对区块链的发展提出了五点看法和建议，一、从需求引导上，金融行业应该积极推进以区块链技术服务于现实需求的应用落地；二、积极关注公有链的发展，在参考借鉴技术创新的同时要考虑必要的监管平衡；三、应该积极构建完善的安全认证测评体系；四、在传统技术架构基础上结合区块链技术优点继承式的演进；五、对密码技术的发展给予高度关注与积极投入。[2018/9/4]
Digang: The application of block-chain technology to serve real needs should be actively promoted: today, the Deputy Director of the Digital Monetary Institute of the People's Bank of China, Mr. Digung, has made five observations and recommendations on the development of block-chain development. First, in terms of demand-led application of block-chain technology to serve real needs should be actively promoted in the financial sector; secondly, active attention should be paid to the development of public-chain development, taking into account the necessary regulatory balance while drawing on technological innovations; thirdly, a robust system of security certification and evaluation should be actively developed; fourthly, the evolution of the technological merits of block-chains should be integrated with the evolution of traditional technological structures; and fifthly, the development of cryptographic technologies should be given high attention and active input. [2018/9/4]
Kusama网络
Kusama network
Crust公布Kusama第6-10插槽拍卖计划
Crust announces Kusama's 6-10 slot auction plan
Crust计划于8月30日开启Crowdloan，至10月6日结束，覆盖5个插槽的竞拍周期，此轮Crowdloan的筹集目标为80,000KSM。Crust计划对连续的8个租赁期发起竞拍，一旦竞拍成功，贡献者的KSM将一直锁定到租赁期结束，总计48周。贡献者每个KSM可以获得1个CRU和1000个CSM的奖励，总奖励上限为8万个CRU+8000万个CSM。奖励的30%将立即释放，后续每个租赁期释放10%
Crust plans to open Crowdloan on 30 August and end on 6 October, covering a bidding cycle of five slots, with a target of 80,000 KSM for the Crowdloan round. Crust plans to launch a competition for eight consecutive lease periods, with the contributor KSM locked in until the end of the lease period, for a total of 48 weeks.
动态 | De Beers等公司用区块链技术确保珠宝真实性:据英国《每日邮报》报道，De Beers等创业公司将区块链技术用于记录珠宝从矿场到珠宝商的流转过程，保存珠宝图片，并记录重量、颜色、清晰度、切割等信息，以确保其真实性。[2018/8/19]
Companies such as De Beers use block chain technology to ensure the authenticity of jewellery: According to the British Daily Post, start-ups such as De Beers use block chain technology to record the flow of jewellery from the mine to the jeweler, to preserve jewellery pictures and to record information on weight, colour, clarity, cutting, etc. to ensure authenticity.[2018/8/19]
Moonriver正式上线Kusama，转账及EVM功能均已启用
Moonriver's officially online, Kusama, transfer and EVM enabled
8月27日，智能合约平台Moonbeam的Kusama平行链Moonriver正式在Kusama上启动，转账及EVM功能均已启用。目前，Moonbeam生态中的项目和团队已经可以将智能合约及DApp部署至Moonriver网络。据悉，除转账外，Moonriver还支持提名验证者、获得质押奖励和投票功能。Moonriver还将额外分配奖励池中的30%分发给参与众贷的用户，奖励池中此前分配的13.5%的奖励已经可以申领。此外，Moonriver基金会还将拿出MOVR代币总量的10%进行流动性激励计划。
On August 27, the Kusama parallel chain of Moonbeam's Smart Contract platform, Moonriver, was officially launched on Kusama, and the transfer and EVM functions were activated. At present, the Moonbeam eco-based projects and teams have been able to deploy smart contracts and DApp to the Moonriver network.
Filecoin网络
Filecoinnet
Filecoin与DapperLabs达成合作
Filecoin entered into cooperation with DapperLabs.
Filecoin发布博客文章，宣布与DapperLabs达成合作。在Flow区块链上创建NFT的创建者可以使用富媒体创建不可变的NFT元数据，使用IPFS内容寻址和Filecoin的可证明和去中心化存储。NFT.Storage由ProtocolLabs和Pinata提供支持，可以轻松保护NFT资产和相关元数据，确保所有NFT遵循最佳实践以长期保持可访问性。
Filecoin publishes a blog article, announcing collaboration with DapperLabs. The creators of NFT creation on the free block chain can use rich media to create variable NFT metadata, IPFS content location and Filecoin proofing and decentralizing storage. NFT.Storage, supported by ProtocolLabs and Pinata, can easily protect NFT assets and related metadata, ensuring that all NFTs follow best practices to maintain accessibility over time.
Solana网络
Solana Network
SolanaDevnet已集成Chainlink喂价
Solana Devnet has been fed in Chainlink.
8月26日消息，Chainlink喂价现已在SolanaDevnet上发布，为SolanaDeFi生态系统提供去中心化预言机访问渠道。Solana链上的开发人员可以利用Chainlink喂价获得高度去中心化、高质量和快速更新的价格参考数据，从而在DeFi中构建各种混合智能合约应用程序。Chainlink团队计划在第四季度末之前发布Solana主网集成。
On August 26, Chainlink's feed prices have been released on Solana Devnet to provide a decentralised prontophone access to the Solana DeFi ecosystem. Developmenters on the Solana chain can use Chainlink's feed to obtain highly decentralised, high-quality and fast-updating price reference data to build a variety of hybrid smart contract applications in DeFi.
Cardano网络
Cardano Network
Cardano产品交付负责人：CardanoAlonzo硬分叉最终测试网将于9月1日启动
Cardano Product Delivery Manager: Cardano Alonzo's final test network will be launched on 1 September
8月27日消息，在最近于8月26日举行的Cardano360活动中，Cardano的产品交付负责人NigelHemsley表示，Cardano有望在9月中旬Alonzo硬分叉发生之前启动最终测试网。该测试网将于9月1日启动。
On 27 August, it was reported that, at the recent Cardano 360 event, held on 26 August, Nigel Hemsley, the product delivery manager of Cardano, had indicated that Cardano was expected to launch the final testing network before the hard split in Alonzo in mid-September. The test network would be launched on 1 September.
Cardano的以太坊转换器将于下周在测试网上推出
Cardano's Etheraya converter will be launched on the test site next week.
金色财经报道，Cardano的ERC-20转换器将于下周在测试网上推出。该转换器于5月首次宣布，将允许用户将基于以太坊的代币带入Cardano区块链。InputOutputGlobal项目经理FranciscoLandino表示，任何ERC20代币都可以作为原生代币在Cardano上发行。
Gold money reports that the ERC-20 converter of Cardano will be launched on the test site next week. The converter was announced for the first time in May that users would be allowed to bring into the Cardano block chain a token based on the Taiku. Input Output Global project manager Francisco Landino said that any ERC20 could be issued as a original token on Cardano.
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