Binance will support a 1:1 contract migration for USDT on the Optimism network, temporarily suspending deposits and withdrawals from September 17 at 10:00 Beijing time. After the migration, the original Optimism-based USDT token will be renamed OPUSDTE. Spot, margin, futures and Binance Earn services will not be affected, and Binance will handle the related technical work for participating users.