L2 = Layer two refers to a secondary framework or protocol that is built on top of an existing blockchain system.
L2=第二层是指建立在现有区块链系统之上的二级框架或协议。
L2 = Layer two refers to a secondary framework or protocol that is built on top of an existing blockchain system.
L2=第二层是指建立在现有区块链系统之上的二级框架或协议。