Omnichain token (USDT0)
An omnichain token (working definition) is a token built to move across many blockchains while keeping one supply. USDT0 uses the Omnichain Fungible Token (OFT) standard, which moves tokens over LayerZero's messaging protocol with a unified supply across all chains. USDT is locked in an OFT Adapter contract on Ethereum, the same amount of USDT0 is minted on the destination chain with strict 1:1 backing, and redeeming burns USDT0 on any chain and unlocks the original asset on Ethereum.
What the sources say
| Source | Quote | Link |
|---|---|---|
| USDT0 docs: OFT and unified supply | "The OFT standard allows tokens to move seamlessly across multiple blockchains using LayerZero's messaging protocol, ensuring a unified supply across all chains." | docs.usdt0.to |
| USDT0 docs: lock-and-mint | "The USDT0 Network operates on a robust lock-and-mint mechanism powered by the Omnichain Fungible Token (OFT) standard." | docs.usdt0.to |
| USDT0 docs: locking | "Locking Assets: The original asset (USDT, XAUT or USAT) is locked in the OFT Adapter smart contract on Ethereum Mainnet." | docs.usdt0.to |
| USDT0 docs: minting 1:1 | "Minting on Destination Chains: Equivalent tokens (USDT0, XAUT0 or USAT) are minted on the target chain, maintaining a strict 1:1 backing with the locked assets on Ethereum." | docs.usdt0.to |
| USDT0 docs: redemption | "Redemption: Tokens can be redeemed by burning them on any chain and unlocking the corresponding original assets on the Ethereum OFT Adapter." | docs.usdt0.to |
Related terms
See also
- Explainer: Who issues USDT0, and how is it backed?
- Review: revain.org/coins/usdt0/
- Review: revain.org/projects/layerzero/
Checked against the sources on 2026-11-01.