OKX to support Optimism and Arbitrum mainnet upgrade

We are excited to announce we will be supporting the Optimism and Arbitrum network’s mainnet upgrade.

• Regarding the Optimism network upgrade:
  • The Optimism network upgrade and hard fork will take place at approximately 12:00 am UTC on March 14, 2024.
  • Deposits and withdrawals of OP tokens and tokens belonging to its network will be suspended at 11:00 pm UTC on March 13, 2024.
• Regarding the Arbitrum network upgrade:
  • The Arbitrum network upgrade and hard fork will take place at approximately 8:00 am UTC on March 14, 2024.
  • Deposits and withdrawals of ARB tokens and tokens belonging to its network will be suspended at 7:00 am UTC on March 14, 2024.
• We will resume deposits and withdrawals for impacted tokens on the OP and ARB networks once the upgraded networks are stable. We won’t be making a separate announcement once this is complete.
• For the safety of your funds, do not make any further withdrawals or deposits of OP and ARB tokens and tokens belonging to its network during the upgrade period.

Please note:

• The trading of OP and ARB tokens and tokens belonging to the OP and ARB networks won’t be affected during this network upgrade. Please be aware of the risks associated with the spot, margin, and derivatives trading of these tokens, and make sure you increase your margin to lower your risk.
• You don’t need to do anything if you hold any OP or ARB tokens and tokens belonging to the OP or ARB network in your account. We will handle all technical requirements involved.

For more details on the network upgrade, please visit:

• Ecotone OP Mainnet Upgrade
• ArbOS 20 Atlas Upgrade

OKX team
March 12, 2024