L3

L3 chains settle to an L2, which in turn settles to Ethereum, creating a nested security model.L3 链结算到 L2，L2 进而结算到以太坊，从而创建一个嵌套的安全模型。

The L3 concept is controversial—critics argue the security guarantees are weaker than direct L2 deployment.L3 概念颇具争议——批评者认为，其安全保证比直接部署在 L2 上要弱。