state bloat

State bloat is a growing problem as more contracts are deployed and the Ethereum world state expands.随着部署更多合约以及以太坊全局状态的扩展，状态膨胀正成为一个日益严重的问题。

Researchers are exploring state expiry and statelessness to combat state bloat and keep node requirements manageable.研究人员正在探索状态过期和无状态性，以打击状态膨胀并使节点硬件要求保持在可控范围内。