PANews reported on December 20 that the modular blockchain Sophon based on ZKsync announced a mining migration plan:

• December 19, 23:59 UTC : L1 mining closes new deposits, and an optional L1 withdrawal window opens.

• December 26, 23:59 UTC : The L1 withdrawal window is closed, and unwithdrawn assets will be automatically cross-chain to the Sophon mainnet.

• December 27 : All remaining assets will complete automatic cross-chain transfer, and the first phase of SP points accumulation will end.

• December 28 : Sophon mainnet mining officially started, and the second phase of SP points accumulation was launched, adopting a USD-based distribution method and supporting gas-free mining.