Binance exchange has announced today a major changes in in USDT addresses. It will be switching USDT addresses from OMNI-based addresses to ERC20-based, As quoted bellow:
Binance will suspend USDT deposits and withdrawals for approximately 30 minutes starting at 2019/07/04 08:00 AM (UTC). During this period, all USDT deposit and withdrawal addresses will be changed from OMNI-based addresses to ERC20-based addresses, and will be the default setting going forward. OMNI-based USDT can still be deposited to users’ previous OMNI USDT deposit addresses and will be accepted.
Please note: After this update, users will no longer be able to withdraw OMNI-based USDT.
