Odaily Planet Daily News BNB Chain released the first quarter technical update, including the launch of the Greenfield test network, reduced transaction fees, BSC validator self-equity update, MEV research, and Planck hard fork upgrade. At the same time, the article also pointed out that it is planned to launch the OpBNB test network in mid-May, the ZkBNB main network on June 1, and complete the BEP-206 proposal.