BigONE Will Support the Optimism (OP) Network Upgrade & Hard Fork

Dear BigONE users,

BigONE will suspend deposit and withdrawal services for the Optimism (OP) network on 2 December 2025 at 23:00 (GMT 8), in order to support its upcoming network upgrade and hard fork.

The Optimism (OP) network upgrade and hard fork are scheduled to take place on 3 December 2025 at 00:00 (GMT 8).

Reminders:
1. The trading of token(s) on the aforementioned network will not be impacted.
2. BigONE will handle all technical requirements involved for all users.
3. Deposits and withdrawals for token(s) on the aforementioned network will be resume once the upgraded network(s) is(are) deemed to be stable. No further announcement will be posted.

BigONE, more than just asset security.

Regards,
BigONE Team
1 December 2025