【Author】
Wang, Weidong; Li, Xiaofeng; Zhao, He
【Abstract】Blockchain has attracted tremendous attention from both the academia and the capital market. The insertion of data in a blockchain known as anchoring makes data verifiable and independently auditable and has many potential applications. The objective of this paper is to introduce a dynamic cross-chain anchoring framework for snapshotting users' data into multiple public blockchains with the help of smart contracts. This paper starts by proposing the framework and depicting the components and workflow. Second, we design a target chain selection algorithm that combines the states of different blockchains. Using the algorithm, users can dynamically select a suitable public blockchain for anchoring tasks. Third, the virtual chain protocol is presented and achieves data anchoring orderly and integrally. Analyzation and evaluation show that the framework can enhance user experience, robustness and performance.
【Keywords】blockchain; anchor; cross-chain; smart contract
【摘要】区块链引起了学术界和资本市场的极大关注。在称为锚定的区块链中插入数据使数据可验证和独立审计，并具有许多潜在的应用。本文的目的是引入一个动态的跨链锚定框架，用于借助智能合约将用户数据快照到多个公共区块链中。本文首先提出框架并描述组件和工作流程。其次，我们设计了一种结合不同区块链状态的目标链选择算法。使用该算法，用户可以动态选择合适的公链进行锚定任务。第三，提出了虚拟链协议，实现了数据的有序、完整的锚定。分析和评估表明，该框架可以增强用户体验、鲁棒性和性能。
【文献类型】Article; Early Access
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