We're pleased to announce that Bitfinex customers can now deposit and withdraw USDT0 on the Stable mainnet, effective 02:30 AM UTC on 10/12/2025. USDT0 is also available for deposit and withdrawal on Ink (USDT0INK), Arbitrum One (USDT0ARB), Optimism (USDT0OPX), Polygon (USDT0POL) and Plasma (USDT0XPL) transport layers. 

This new feature follows the deployment of USDT0 onto Stable, a high-performance blockchain optimised for stablecoin transactions and digital asset settlements.

The API symbol for USDT0 on the Stable transport layer is USDT0STABLE.

Please note that USDT0STABLE will not be available for trading. Our customers can convert USDT0 into USDt, and vice versa, using the Bitfinex Currency Conversion tool in the Wallet section. The Currency Conversion tool can be accessed directly here once logged into the platform.

Trading of the STABLE token commenced on Bitfinex against USD and USDt on 08/12/2025.

More information about USDT0 can be found at https://usdt0.to/ and on our Blog.

Please note that USDT0 is not directly issued or redeemable by Tether.