According to the official news, in order to improve service quality, OKX is now upgrading and maintaining ARB, OP, LINEA, MANTA, METIS, BASE, STARKNET, MXC, LSK, Zksync Era networks. The recharge will be suspended during the upgrade maintenance period. It is expected that the maintenance will be completed on June 21. If there is any delay, the results will be synchronized as soon as the maintenance is completed.