On December 29, Sophon, a modular blockchain based on ZKsync, announced the completion of the mining migration and the opening of the second phase. Mainnet mining is now open. Previously, Sophon announced the mining migration timeline: the L1 mining withdrawal window will be closed at 7:59 on December 27; all remaining assets will automatically cross the chain to the Sophon mainnet on December 27, and the first stage of SP points accumulation will end; the mainnet mining will be opened on December 28.