December 29 news, the modular blockchain Sophon based on ZKsync announced the completion of mining migration and the start of the second phase, with mainnet mining now open. According to previous news, Sophon announced the mining migration timeline: on December 27 at 7:59, the L1 mining withdrawal window will close; on December 27, all remaining assets will automatically cross-chain to the Sophon mainnet, marking the end of the first phase of SP point accumulation; on December 28, mainnet mining will be opened.