ChainIDE#19 零知识证明方案的新突破：zksync 2.0
ChainIDE#19 零知识证明方案的新突破：zksync 2.0
10月13日，以太坊Layer 2网络开发商Matter Labs宣布推出首个迁移的zksync 2.0测试应用UniSync，这意味着zkEVM已经实现对Solidity的完全兼容，现有的以太坊应用将可以无缝迁移至zksync 2.0二层网络。
zkEVM 是一种以兼容零知识证明计算的方式执行智能合约的虚拟机，这是构建与 EVM 兼容的ZK rollup二层网络的关键，同时能够保留经实战测试的代码及相关知识。zkEVM 保留了 EVM 语义，但它对ZK也是友好的，它还采用了传统的 CPU 架构。
zkEVM 的推出代表了加密技术的一个重要转折点，在过去的一年里，整个零知识证明生态系统的发展已超出了很多专家的预期，现在Solidity 程序员可以访问零知识证明的无与伦比的扩展性、安全性和 UX 优势。那么这意味着，zksync 2.0支持智能合约，也将大大降低开发者的开发成本，同时用户还能享受到ZK Rollup技术带来的扩展优势。
4）交易成本更低：ZK Rollup对于大多数流行的加密用例来说更便宜，因为它需要在链上发布的数据量最少（没有签名和交易参数）。此外，ZKSync 2.0将有一个名为zkPorter的扩展，它通过将数据移出区块链以提供1-3美分的固定交易费用。
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