Mina: Has conducted closed testing of mainnet upgrade with CEX and custodians

On February 10th, the lightweight blockchain protocol Mina Protocol announced the latest news of Testworld Mission 2.0 and the progress of major upgrades to the Mina mainnet: The Mina development team O(1) Labs released the first Berkeley candidate version RC1, which incorporates all fixes and discoveries from the previous accelerated version of Testworld 2.0; preparations for Track 4, aimed at replicating processes in a test network environment and designing upgrade mechanisms, are still ongoing; closed testing with exchanges and custodians has begun and will span throughout Track 4.