ZKP:实现安全高效的多链互通跨链桥技术
背景:跨链技术的发展自2009年比特币诞生以来,区块链技术得到了长足的发展。尽管比特币和以太坊稳稳占据市场统治地位,但许多不同的区块链网络依然以其独特的功能和应用出现。由于不同区块链的架构不同,它们无法相互沟通和互动。随着各链的生态发展,尤其是DeFi的流行,如何弥合不同区块链之间的鸿沟也成为大家争相解决的课题。 由此,跨链桥应运而生!它可以使不同区块链之间的不同资产跨链转移甚至实现信息互操作。类似现实中的桥跨接河的两边,跨链桥能够将资产从一个区块链无缝转移到另一个区块链,从而使用户能够利用不同区块链网络的独特功能。除此之外,跨链桥还允许应用在不同的区块链之间传输数据和信息。虽然跨链桥提供了许多好处,但它也面临一些挑战,特别是安全问题。例如,2021年,跨链桥Poly Network被黑,损失超过6亿美元价值的加密货币。2022年,Axie Infinity的跨链桥Ronin Network也同样被盗超过6亿美元的加密货币。因此,跨链桥需要更加完善的安全措施来保护用户的资产和数据。 近年来,零知识证明(ZKP)在应用方面取得了巨大进展。ZKP是一种强大的密码学工具,可用于保护用户...
ViaBTC Capital Insight| The Security Predicament of Blockchain Assets
Since the DeFi Summer of 2020, driven by the continued advancement of blockchain infrastructures, DeFi protocols have evolved from Swap to Lend to Yield Farming to increasingly sophisticated protocols, covering AMM (automated market making) Yield Farming strategies based on blockchain derivatives, structured lending platforms built on lending infrastructure, and on-chain lending protocols connecting real-world collaterals, etc. One of the key factors behind the boom of DeFi innovation is a co...
ZK-EVM——ZK-Rollup 的圣杯
近期有几个 ZK-Rollup 项目相继宣布支持 ZK-EVM 的主网或测试网的上线计划,而在2022年8月初,以太坊创始人 Vitalik 发表了一篇博文对比了不同类型的 ZK-EVM。ZK-EVM,这个ZK-Rollup 的圣杯,又一次引起市场的关注,它在未来可能会是以太坊扩容的利器。 以太坊扩容是一个老生常谈的话题,也是众多用户期望的事情。不少人可能会有一个认识误区,即计划在9月底升级的以太坊合并会把共识机制从 PoW 转为 PoS 将能够改善以太坊性能。但实际上,合并没有改变区块大小,出块时间也仅仅是从平均13秒变为12秒,所以届时以太坊性能提升预计有限。因而,以太坊短期内扩容的希望还在二层网络(Rollup)。在 Rollup 两种主流方向 Optimisic Rollup 和 ZK-Rollup 里,相当一部分人更期待后者,因为 ZK-Rollup不仅同样可以通过将打包多笔链下交易来降低网络手续费,更重要的是它能够通过零知识证明计算出一个有效性证明并提交到以太坊网络来继承以太坊的安全性,无需像 Optimistic Rollup 那样设置一个挑战期。 只能支付的 ZK...
ViaBTC Capital, a wholly-owned investment brand under the ViaBTC Group, focuses on investment in Web 3.0, Layer 2 and DApps combining DeFi,
ZKP:实现安全高效的多链互通跨链桥技术
背景:跨链技术的发展自2009年比特币诞生以来,区块链技术得到了长足的发展。尽管比特币和以太坊稳稳占据市场统治地位,但许多不同的区块链网络依然以其独特的功能和应用出现。由于不同区块链的架构不同,它们无法相互沟通和互动。随着各链的生态发展,尤其是DeFi的流行,如何弥合不同区块链之间的鸿沟也成为大家争相解决的课题。 由此,跨链桥应运而生!它可以使不同区块链之间的不同资产跨链转移甚至实现信息互操作。类似现实中的桥跨接河的两边,跨链桥能够将资产从一个区块链无缝转移到另一个区块链,从而使用户能够利用不同区块链网络的独特功能。除此之外,跨链桥还允许应用在不同的区块链之间传输数据和信息。虽然跨链桥提供了许多好处,但它也面临一些挑战,特别是安全问题。例如,2021年,跨链桥Poly Network被黑,损失超过6亿美元价值的加密货币。2022年,Axie Infinity的跨链桥Ronin Network也同样被盗超过6亿美元的加密货币。因此,跨链桥需要更加完善的安全措施来保护用户的资产和数据。 近年来,零知识证明(ZKP)在应用方面取得了巨大进展。ZKP是一种强大的密码学工具,可用于保护用户...
ViaBTC Capital Insight| The Security Predicament of Blockchain Assets
Since the DeFi Summer of 2020, driven by the continued advancement of blockchain infrastructures, DeFi protocols have evolved from Swap to Lend to Yield Farming to increasingly sophisticated protocols, covering AMM (automated market making) Yield Farming strategies based on blockchain derivatives, structured lending platforms built on lending infrastructure, and on-chain lending protocols connecting real-world collaterals, etc. One of the key factors behind the boom of DeFi innovation is a co...
ZK-EVM——ZK-Rollup 的圣杯
近期有几个 ZK-Rollup 项目相继宣布支持 ZK-EVM 的主网或测试网的上线计划,而在2022年8月初,以太坊创始人 Vitalik 发表了一篇博文对比了不同类型的 ZK-EVM。ZK-EVM,这个ZK-Rollup 的圣杯,又一次引起市场的关注,它在未来可能会是以太坊扩容的利器。 以太坊扩容是一个老生常谈的话题,也是众多用户期望的事情。不少人可能会有一个认识误区,即计划在9月底升级的以太坊合并会把共识机制从 PoW 转为 PoS 将能够改善以太坊性能。但实际上,合并没有改变区块大小,出块时间也仅仅是从平均13秒变为12秒,所以届时以太坊性能提升预计有限。因而,以太坊短期内扩容的希望还在二层网络(Rollup)。在 Rollup 两种主流方向 Optimisic Rollup 和 ZK-Rollup 里,相当一部分人更期待后者,因为 ZK-Rollup不仅同样可以通过将打包多笔链下交易来降低网络手续费,更重要的是它能够通过零知识证明计算出一个有效性证明并提交到以太坊网络来继承以太坊的安全性,无需像 Optimistic Rollup 那样设置一个挑战期。 只能支付的 ZK...
ViaBTC Capital, a wholly-owned investment brand under the ViaBTC Group, focuses on investment in Web 3.0, Layer 2 and DApps combining DeFi,

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Problems for existing API products At present, the existing API products cannot support developers to store and transform data to build their own APIs. As the indexing protocols are based on a stand-alone model, high availability and synchronization performance pose a huge challenge.
BlockVision’s solution Through BlockVision’s data cloud and unique API, blockchain users can easily query, analyze, store and monitor data, while developers can effectively build their own data warehouses and APIs efficiently. BlockVision’s products include cloud data, API services, and data visualization, which enable NFT aggregation, GameFi user portraits, behavior monitoring, historic snapshots, whale monitoring, real-time computing, and hacker tracking.

Competitive Edge

BlockVision’s Five-Layer Tech Architecture

Each layer of BlockVision’s architecture will support elastic expansion, which means that when the amount of data increases or the higher performance is required, these problems will be solved by expanding the cluster. At the same time, the problem of having a single point of failure no longer exists.
Gateway Layer This layer manages data scheduling commands based on real-time data distribution status reported from storage nodes. It is in charge of maintaining the real-time data distribution of each storage node as well as the cluster’s overall architecture and providing the dashboard control interface.
Computing Layer This layer mainly focuses on accepting the client’s connection, analyzing and optimizing SQL, and running syncer job. The computing layer does not keep data; instead, it parses SQL and sends the data reading request to the storage layer below. The computing layer’s node is stateless. For the sake of load balancing, several computing nodes can be launched in the cluster, and the client’s connection can be uniformly split among multiple instances. Simultaneously, the computing layer will pull data from several public chains in real time to push data to the storage layer.
Storage Layer This layer is particular. The data will be dispersed among several KV storage nodes, and the system will be equalized automatically. In the vast majority of cases, no manual intervention is required. The data in the storage layer will keep several copies, which allows high availability and automatic failover. As the amount of data on the chain grows, the storage layer can be partitioned to accommodate the growth.
Billing Layer The billing layer will dynamically calculate the service costs required for customer queries, and the basic parameter will be modified by the BlockVision community’s collective governance. The billing layer will also be responsible for assigning BV incentives to certain roles.
Monitoring Layer It is a flexible function. BlockVision will provide monitoring tools to help developers keep track of the status of smart contracts in real time. New progress about BlockVision BlockVision has reached in-depth cooperation with the Offchain-Labs team, and in the coming weeks, they will provide a series of developer kits and data analysis APIs for the Arbitrum ecosystem. At present, BlockVision has supported functions such as Archive API, Alert, etc. to facilitate quick debugging based on its Dashboard, Console, Stats, and other tools. At this stage, BlockVision is compatible with almost all the functions supported by Infura/Alchemy. At the same time, BlockVision can help developers with complex on-chain data analysis. Here are some key milestones: Chainswap and Anyswap are using BlockVision’s API to develop cross-chain NFT infrastructure. Bifrost is using BlockVision’s API for airdrops. MDEX is using BlockVision’s developer kit and RPC Node to provide trading services. Fairproof is using BlockVision’s developer kit for contract auditing.

Our vision about BlockVision Ethereum and other public chains are prospering, and data is mounting, which requires data storage, indexing and analysis functions of infrastructure. With experience in database self-development, the BlockVision team provides better APIs by optimizing database storage, and then offers sorted data to third-party developers so that they can directly perform complex data operations. Compared with those of Infura and Alchemy, BlockVision’s APIs target market needs, with features such as hacker asset tracking, GameFi user portraits, etc. We believe that BlockVision can 1) solve the problem of the mounting data; 2) complement existing data solutions on the market; 3) truly become a blockchain infrastructure; 4) improve data storage, indexing and analysis functions; and 5) provide multi-chain solutions. In particular, its current focus on the GameFi field offers superiority in supplementing the data in the GameFi field and meeting the need for analysis.

About BlockVision Website: https://blockvision.org/ Twitter: https://twitter.com/blockvisionhq Telegram: http://t.me/blockvisionann Discord: discord.gg/Re6prK86Tr
About ViaBTC Capital: ViaBTC Capital, a wholly-owned investment brand under ViaBTC Group, focuses on investment in Web 3.0, Layer 2 and DApps combining DeFi, NFT or DAO elements. Relying on ViaBTC Group’s cutting-edge views, solid capabilities and comprehensive resources, ViaBTC Capital aims to become one of the preferred capital for start-ups and creative implementation in the blockchain world. Website: https://capital.viabtc.com/ Twitter: https://twitter.com/ViabtcCapital Medium: https://medium.com/@ViaBTC_Capital

Problems for existing API products At present, the existing API products cannot support developers to store and transform data to build their own APIs. As the indexing protocols are based on a stand-alone model, high availability and synchronization performance pose a huge challenge.
BlockVision’s solution Through BlockVision’s data cloud and unique API, blockchain users can easily query, analyze, store and monitor data, while developers can effectively build their own data warehouses and APIs efficiently. BlockVision’s products include cloud data, API services, and data visualization, which enable NFT aggregation, GameFi user portraits, behavior monitoring, historic snapshots, whale monitoring, real-time computing, and hacker tracking.

Competitive Edge

BlockVision’s Five-Layer Tech Architecture

Each layer of BlockVision’s architecture will support elastic expansion, which means that when the amount of data increases or the higher performance is required, these problems will be solved by expanding the cluster. At the same time, the problem of having a single point of failure no longer exists.
Gateway Layer This layer manages data scheduling commands based on real-time data distribution status reported from storage nodes. It is in charge of maintaining the real-time data distribution of each storage node as well as the cluster’s overall architecture and providing the dashboard control interface.
Computing Layer This layer mainly focuses on accepting the client’s connection, analyzing and optimizing SQL, and running syncer job. The computing layer does not keep data; instead, it parses SQL and sends the data reading request to the storage layer below. The computing layer’s node is stateless. For the sake of load balancing, several computing nodes can be launched in the cluster, and the client’s connection can be uniformly split among multiple instances. Simultaneously, the computing layer will pull data from several public chains in real time to push data to the storage layer.
Storage Layer This layer is particular. The data will be dispersed among several KV storage nodes, and the system will be equalized automatically. In the vast majority of cases, no manual intervention is required. The data in the storage layer will keep several copies, which allows high availability and automatic failover. As the amount of data on the chain grows, the storage layer can be partitioned to accommodate the growth.
Billing Layer The billing layer will dynamically calculate the service costs required for customer queries, and the basic parameter will be modified by the BlockVision community’s collective governance. The billing layer will also be responsible for assigning BV incentives to certain roles.
Monitoring Layer It is a flexible function. BlockVision will provide monitoring tools to help developers keep track of the status of smart contracts in real time. New progress about BlockVision BlockVision has reached in-depth cooperation with the Offchain-Labs team, and in the coming weeks, they will provide a series of developer kits and data analysis APIs for the Arbitrum ecosystem. At present, BlockVision has supported functions such as Archive API, Alert, etc. to facilitate quick debugging based on its Dashboard, Console, Stats, and other tools. At this stage, BlockVision is compatible with almost all the functions supported by Infura/Alchemy. At the same time, BlockVision can help developers with complex on-chain data analysis. Here are some key milestones: Chainswap and Anyswap are using BlockVision’s API to develop cross-chain NFT infrastructure. Bifrost is using BlockVision’s API for airdrops. MDEX is using BlockVision’s developer kit and RPC Node to provide trading services. Fairproof is using BlockVision’s developer kit for contract auditing.

Our vision about BlockVision Ethereum and other public chains are prospering, and data is mounting, which requires data storage, indexing and analysis functions of infrastructure. With experience in database self-development, the BlockVision team provides better APIs by optimizing database storage, and then offers sorted data to third-party developers so that they can directly perform complex data operations. Compared with those of Infura and Alchemy, BlockVision’s APIs target market needs, with features such as hacker asset tracking, GameFi user portraits, etc. We believe that BlockVision can 1) solve the problem of the mounting data; 2) complement existing data solutions on the market; 3) truly become a blockchain infrastructure; 4) improve data storage, indexing and analysis functions; and 5) provide multi-chain solutions. In particular, its current focus on the GameFi field offers superiority in supplementing the data in the GameFi field and meeting the need for analysis.

About BlockVision Website: https://blockvision.org/ Twitter: https://twitter.com/blockvisionhq Telegram: http://t.me/blockvisionann Discord: discord.gg/Re6prK86Tr
About ViaBTC Capital: ViaBTC Capital, a wholly-owned investment brand under ViaBTC Group, focuses on investment in Web 3.0, Layer 2 and DApps combining DeFi, NFT or DAO elements. Relying on ViaBTC Group’s cutting-edge views, solid capabilities and comprehensive resources, ViaBTC Capital aims to become one of the preferred capital for start-ups and creative implementation in the blockchain world. Website: https://capital.viabtc.com/ Twitter: https://twitter.com/ViabtcCapital Medium: https://medium.com/@ViaBTC_Capital
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