Dear Cobo Custody Customer,

Cobo will be supporting the Optimism（OPT_ETH） network upgrade and hard fork as follow：
The Optimism (OPT_ETH) network upgrade and hard fork will take place at approximately 2024-07-11 00:00 (UTC+8).Cobo will suspend the deposit and withdrawal services of the Optimism（OPT_ETH）network at 2024-07-10 22:00 (UTC+8)

Services will be resumed as soon as the upgrade is completed. Please feel free to contact us if you have any other questions.

Cobo Support
July 9th 2024