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Vitalik:區塊鏈擴展的核心難度依次為計算、數據與狀態

2026-01-27 09:52:59

ChainCatcher 消息,Vitalik Buterin 發文闡述其對區塊鏈擴展性的分層理解,指出區塊鏈的擴展難度由低到高依次為計算、數據和狀態。

Vitalik 表示,計算最容易擴展,可透過並行化、引入區塊建設者提供的"提示",或以零知識證明等方式用證明替代大量計算。數據擴展難度居中,若系統需要數據可用性保證,則該要求無法回避,但可以透過拆分數據、擦除編碼(如 PeerDAS)等方式優化,並支持"優雅降級",即節點數據能力較低時仍可生成相應規模的區塊。

相比之下,狀態是最難擴展的部分。Vitalik 指出,為驗證哪怕一筆交易,節點也需要完整狀態;即便將狀態抽象為樹並僅保存根節點,更新該根仍依賴完整狀態。儘管存在拆分狀態的方法,但通常需要架構層面的重大調整,且並非通用方案。

基於此,Vitalik 總結稱:若能在不引入新的中心化前提下用數據替代狀態,應優先考慮;若能在不引入新的中心化前提下用計算替代數據,同樣應認真對待。

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