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Arbitrum的Nitro升级使交易更快、更便宜
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周三(8 月 31 日),也就是 Arbitrum 成立一周年,以太坊第 2 层(L2)扩展解决方案将进行名为“Nitro”的重大升级,以实现更快的交易和更低的费用。

什么是Arbitrum?
根据开发这种流行的以太坊 L2 扩展解决方案的初创公司 Offchain Labs 的说法,Arbitrum是一个“乐观汇总”,具有以下好处:
无需信任的安全性:植根于以太坊的安全性,任何一方都能够确保正确的第 2 层结果
与以太坊的兼容性:能够运行未修改的 EVM 合约和未修改的以太坊交易
可扩展性:将合约的计算和存储移出以太坊主链,允许更高的吞吐量
最低成本:旨在最大限度地减少系统的 L1 气体足迹,最大限度地降低每笔交易的成本。
Arbitrum 的开发人员文档继续解释了术语“乐观汇总”的含义:
Arbitrum 是一个汇总,这意味着链的输入——放入收件箱的消息——都作为 calldata 记录在以太坊链上。正因为如此,每个人都拥有确定链当前正确状态所需的信息——他们拥有收件箱的完整历史记录,结果由收件箱历史唯一确定,因此他们可以重建链的状态如果需要,仅基于公共信息。

这也允许任何人成为 Arbitrum 协议的完全参与者,运行 Arbitrum 节点或作为验证者参与。关于链条的历史或状态,没有什么是秘密。
Arbitrum 是乐观的,这意味着 Arbitrum 通过让任何一方(“验证者”)发布该方声称正确的汇总块,然后让其他所有人有机会挑战该声明来推进其链的状态。如果挑战期(大约一周)过去并且没有人对声称的汇总块提出挑战,Arbitrum 会确认汇总块是正确的。如果有人在质疑期间质疑索赔,那么 Arbitrum 会使用有效的争议解决协议(详见下文)来确定哪一方在撒谎。说谎者将没收押金,而说真话的人将收取部分押金作为对他们努力的奖励(部分押金被烧毁,保证即使有一些勾结,骗子也会受到惩罚)。
“因为试图作弊的一方会失去押金,所以试图作弊的情况应该是非常罕见的,正常情况是单方发布正确的汇总块,没有人质疑它。“

什么是Nitro?
8 月 4 日,Offchain Labs 发布了一篇博文,宣布了有关 Arbitrum 即将推出的 Nitro 升级的一些细节:
“一周前,我们将 Arbitrum Rinkeby 测试网迁移到 Nitro。总体而言,整个过程进行得非常顺利,现在我们期待 Arbitrum One 的主网迁移到 Nitro。我们很高兴与大家分享,我们的目标是在 8 月 31 日进行迁移——恰好在我们首次在公共测试版中打开 Arbitrum One 一年之后!
“我们选择这个日期是为了确保我们的生态系统继续有时间为迁移做准备,而且因为我们认为这将是一个很好的里程碑,大家团结起来——对我们所有人来说都是一个有趣的生日礼物。“
这篇博文继续强调了有助于在 Arbitrum 上构建的“整个堆栈的变化”:
高级呼叫数据压缩,通过减少发布到 L1 的数据量进一步降低 Arbitrum 的交易成本。
以太坊 L1 气体兼容性,使 EVM 操作的定价和核算与以太坊完全一致。
额外的 L1 互操作性,包括与 L1 块编号的更紧密同步,以及对所有 Ethereum L1 预编译的完全支持。
Safe Retryables,消除了无法创建可重试票证的故障模式。
Geth Tracing,提供更广泛的调试支持。
今天的分享就到这里,后期会给大家带来其他赛道的龙头项目分析。感兴趣的可以点个关注。我也会不定期整理一些前沿资询和项目点评,欢迎各位志同道合的币圈人一起来探索。有问题可以评论提问或者私信 来源:金色财经 |
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