区块链网络的扩容方式 by acu.fund

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· @acu.fund ·
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区块链网络的扩容方式
  
从社区角度而言,对以链下协议(off-chain protocol)作为区块链网络的扩容方式感到无比兴奋,因为这会让大多数交易从第 1 层区块链移至链下系统,从而避开了 L1 区块链上的网络费用和延迟问题。

通过 这篇文章来讨论一下有关链下协议的一些基本知识,让大家更好的了解目前的「桥」和这些桥链接的二层(L2)技术的关系。

什么是「桥」?
回答这个问题前,应该谈谈「桥」这个经常被忽略、但对评估资金安全性至关重要的基本组成部件:

桥(bridge)负责将资产保存在 L1 区块链上,而相同的资产则在另一(主要指外部)服务上发布。桥定义了谁来保管资金,以及在资产在解锁之前必须满足的条件。

简而言之,每当像以太坊这样的 L1 区块链连接到任何其他系统时,都会使用桥。所有桥都有类似的动作:

存入资产。用户可以向桥存入资产,桥会给予在其它系统中代表这一资产的证明;

更新账户余额。有关新帐户余额的信息将通知桥,这可用于辅助提款过程。

资产提取。用户凭借在其它系统中的余额,以及在其它系统中销毁的所发行代币,可以从桥提取资产。

# 本帖steem首发
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