Lumoz引领OP Stack与ZK技术革新,升级区块链扩展与安全

Odaily星球日报Publicado em 2024-10-21Última atualização em 2024-10-21

Resumo

速度、安全性与简化性的平衡。

Lumoz引领OP Stack与ZK技术革新,升级区块链扩展与安全

摘要:本文介绍了 Lumoz 在 OP Stack 与 ZK Proof 结合上的技术突破,提升了性能与安全性。全新 zk-proposer 组件简化集成、降低维护难度,并确保网络稳定。升级方案同步链上数据与证明过程,优化合约逻辑,消除漏洞。创新方案减少验证延迟与成本,为安全奠定基础。新架构支持 OP-Stack 节点无缝转变为 zk-Verifier 节点,增强生态灵活性,巩固 Lumoz 的领先地位。

Lumoz 正在通过优化 OP Stack 与 ZK 技术的结合,引领区块链可扩展性的发展。Lumoz 最新方案将 OP 的灵活性与 ZK 技术的强大安全性融为一体,加速网络验证的同时提升与以太坊等区块链的兼容性。具体而言,Lumoz 一方面为该架构提供算力支持,另一方面通过创新的架构优化,ZK-Fraud Proof 的集成流程的简化,从而让这项技术更高效、更安全、更易于维护。

OP Stack 与 ZK 在 OP Stack 原有的乐观共识基础上修改了欺诈证明的验证流程,将原本的挑战欺诈证明替换为了非交互式的 ZK 证明。在 OP Stack + ZK 方案中,op-batcher 与 op-proposer 仍然扮演原本 OP Stack 中相同的角色,向一层提交 Rollup 上产生的交易数据与相应状态根。不同的是,OP Stack + ZK 新引入了一套 ZK Fraud Proof 模块,将会实时同步、执行 Rollup 链上状态与数据,并在需要的时候直接对相应数据生成对应证明,提交给一层进行验证。这大大缩短了有效性验证的等待时间。但与此同时,该方案引入的一整套 ZK-Fraud Proof 模块相对于原有的结构而言更加复杂,需要验证参与者对 ZK-Verifier 节点进行专门的维护。

Lumoz 最新的优化方案将对原有的架构设计进行改进,把整个 ZK-Fraud Proof 模块整合进了 op-proposer 组件升级为 zk-proposer,从而显著简化了节点维护的复杂度。在这一新方案中,zk-proposer 在保留原有的功能的基础上,新增了一个 ZK 交互选项。这一选项使得 proposer 能够根据链上数据的执行结果,直接向算力网络层发起 Proof 生成请求,并将生成的 Proof 提交到链上进行验证。

Lumoz引领OP Stack与ZK技术革新,升级区块链扩展与安全

如图所示,这种设计允许任何一个 OP-Stack 全节点利用 OP-Stack 的原生组件,快速转换成为 zk-Verifier 节点并参与到网络的验证流程中,无需增加额外的维护成本。此外,由于一层合约协议保持不变,原有的 zkVerifier 节点也能够继续为网络提供验证服务,确保了网络的连续性和稳定性。

新方案也对验证合约的逻辑进行了优化,以更好地保护合约数据与链下状态的一致性。在原有的架构中,由于证明流程只会对二层区块高度进行校验,可能出现证明与实际链上数据不完全对应的情况,存在潜在的安全风险。通过在合约验证逻辑内增加对前序 batch 状态根的校验,新方案确保了每个 Proof 都确实是基于正确、最新的状态根生成的。这样的设计确保了 Proof 的生成和验证过程与链上数据的实时状态紧密相连,大幅提升了网络的安全性和可靠性。

Lumoz引领OP Stack与ZK技术革新,升级区块链扩展与安全

如图所示,在每个 Batch 被提交到链上之后,proposer 也会同步将该 batch 对应的状态根依照顺序写入特定数组中。每当 Proof 需要被提交到合约内进行验证时,proposer 会同时向合约传入对应 batch 和前序 batch 的状态根。在状态根连续性的检验通过后,才会继续在 Verifier 合约中进行 Proof 的验证。

Lumoz 也在探索 OP Stack + ZK 的其它可能性。在当前方案中,网络的信任仍然基于乐观假设,这意味着网络的安全性在很大程度上仍依赖于挑战者对交易进行持续的检查和挑战,以确保交易的有效性。这相较于采用有效性证明(Validity proof)的 ZK-Rollup 而言,安全性仍有提升空间。从这个角度出发,Lumoz 尝试在 verifier 节点中模拟正确执行的网络状态转移过程,并为每一个区间内的状态变化都提供基于 ZK 的有效性证明证明。类似于 ZK-Rollup,这些证明将作为链状态有效性的直接证据,而无需依赖于挑战者的交互式挑战。通过这种方式,网络可以以少量算力成本,在几乎不改变原有服务架构的同时显著提高网络整体的安全性。

Lumoz 的 OP Stack + ZK 优化架构标志着区块链创新的重要进展,在速度、安全性与简化性之间找到了完美平衡。通过非交互式 ZK 证明取代原有的挑战机制,Lumoz 实现了更快、更可靠的交易验证和无缝的验证流程。除了提升可扩展性外,网络的信任模型也更加完善,减少了对交互式挑战的依赖,为未来提供了更加高效、主动的安全方案。

结语

随着 Lumoz 持续优化这一架构并探索更多可能性,其致力于通过可靠、可扩展的区块链解决方案赋能用户和合作伙伴。这一 OP Stack + ZK 的创新仅仅是开始,Lumoz 的技术进步为去中心化创新开创了新的篇章。保持关注,共同见证区块链演进的下一步——由 Lumoz 驱动的未来。

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