15分钟搞懂eth2.0升级和layer2所有相关概念丨以太坊2.0，layer1，layer2，合并，rollup；pos，pow，beacon Chain，分片丨
Synopsis
Ethereum官网相关链接： Eth2.0 升级： https://ethereum.org/en/upgrades/vision/ 关于layer2：https://ethereum.org/zh/layer-2/ ...
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