Chainlink releases CCIP 2.0: Enhancing Cross-Chain Interoperability and Compliance
On September 28, Chainlink released an updated version of its Cross-Chain Interoperability Protocol (CCIP)-CCIP 2.0. This update allows token issuers to add custom verification steps, adjust the number of confirmations required for transfers, and apply compliance checks to transfers. The core function of CCIP is to move tokens and data between different blockchains, a function called "interoperability."

Chainlink said that CCIP 2.0 is now officially launched and is open to institutions and digital asset issuers. The company pointed out that this release adds configurable security, compliance and settlement speed options.
Chainlink pointed out in an article published on April 22 that the Cross-Chain Bridge hack resulted in the theft of nearly $3 billion. At the same time, the company also mentioned that some cross-chain bridges sacrifice security through centralized node deployment and dependencies. CCIP 2.0 retains Chainlink's default validator network and allows publishers to add their own validators on top of it.
Verification mechanism under CCIP 2.0
By default, CCIP transfers are approved by Chainlink committee validators. The verifier consists of 16 independent node operators and must reach a consensus to execute the transaction. According to Chainlink, in version 2.0, publishers can add a cross-chain validator (CCV) run by themselves or operated by a third party. Chainlink said each verifier must sign a transaction before it is executed.
发行商可以设定额外验证适用的时机。Chainlink 给出的一个示例是:对于超过100万美元的转账,需要额外的审批规则。
第三方验证者可以在基础 CCIP 费用之上收取自己的费用。Chainlink 表示,Infosys、Further Asset Management 和 Nethermind 正在为客户构建 CCV,而 Lombard 正在为其跨链代币采用基于 CCV 的验证机制。
合规性检查与结算设置
CCIP 2.0 连接到了 Chainlink 的自动化合规引擎(ACE),该引擎可以对转账应用“了解你的客户”(KYC)、反洗钱(AML)规则、制裁筛查、交易限额以及白名单发送者列表等合规要求。发行商可以使用 ACE 合作伙伴网络(其中包括20多家提供商、框架和监管机构),也可以连接自己的系统。
默认情况下,CCIP 会等待源链达到最终确定性(finality)后才执行转账。Chainlink 表示,发行商现在可以设置自定义的区块确认阈值,使得某些转账可以在最终确定性达成之前执行,并为此收取额外费用。该公司还表示,它已与 Ethlabs 合作,以便在以太坊(ETH)快速确认规则(FCR)推出后支持该规则。
Chainlink 表示,CCIP 目前保障了超过840亿美元的跨链代币价值。此外,Aave (AAVE)、Re (RE) 和 Maple (SYRUP) 已为其跨链代币采用了更快的结算选项。

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