According to an official announcement from the Ethereum Foundation, the Ethereum network is scheduled to undergo a hard fork and network upgrade at 10:05 (UTC) on May 7, 2025.
To support this upgrade and ensure a smooth user experience, ONUS will temporarily suspend on-chain deposit and withdrawal features for the Ethereum network and its Layer 2 networks: Arbitrum, Base, Polygon, and zkSync starting at 09:45 (UTC) on May 7, 2025.
The on-chain deposit and withdrawal functions for Ethereum, Arbitrum, Base, Polygon, and zkSync will be resumed once the upgrade is completed and the networks are stable.
Sincerely,
ONUS Team.