OKX to support Arbitrum (ARB) and BNB Smart Chain (BSC) Network Mainnet Upgrade

According to the official plans of Arbitrum and BNB Smart Chain, OKX will support the network upgrades of Arbitrum (ARB) and BNB Smart Chain (BSC).

The arrangements are as follows:

• Deposits and withdrawals for all tokens on the Arbitrum (ARB) network will be suspended at 00:00 (UTC+8) on Jan 9, 2026.

• Deposits and withdrawals for all tokens on the BNB Smart Chain (BSC) network will be suspended at 10:30 (UTC+8) on Jan 14, 2026.

• Deposits and withdrawals will resume once the upgraded networks are stable. We won’t issue a separate announcement.

• If you hold Arbitrum (ARB), BNB Smart Chain (BSC), or other related tokens on these networks in your account, you don’t need to take any action during the upgrade.

Official resources for the Arbitrum (ARB) network upgrade:

Official announcement:

• https://docs.arbitrum.io/run-arbitrum-node/arbos-releases/arbos51

Official resources for the BNB Smart Chain (BSC) network upgrade:

Official announcement:

• https://docs.bnbchain.org/announce/fermi-bsc/

Please note:

• Trading of the related tokens won’t be affected. However, there are risks associated with spot, margin, and derivatives trading of crypto assets. Please monitor your margin levels closely and increase your margin in advance to reduce risks.

• For the safety of your assets, please do not make any deposits or withdrawals for these tokens during the network upgrade.

OKX team

Jan 05, 2026