什么是预编译合约

Ethereum Yellow Paper: these are eight so-called 'precompiled' contracts, meant as a preliminary piece of architecture that may later become native extensions.

诚如以太坊黄皮书所言，这八个所谓的'预编译'合约，意味着可能在以后成为原生扩展的初步体系结构。它是使用通用EVM执行框架的八个例外，用于评估消息调用。