Vitalik Buterin: 如果我们能找到一种方法将旧版本的 EVM 代码自动转换为新版本的 EVM 代码，那当然会大大减少权衡。

原推：If we can find a way to automatically convert older-version EVM code into newer-version EVM code, that would of course significantly reduce the tradeoff.
https://twitter.com/VitalikButerin/status/1602298330192789504