Tether and OKX Bridge Chains, Unifying $11B in Liquidity

Tether has announced a new collaboration with OKX to integrate USDT0 on X Layer, OKX Wallet, and OKX Exchange. This partnership will allow OKX users to access broader unified and cross-chain liquidity, enhancing the utility of USDT0 on multiple blockchain networks. Tether and OKX have integrated USDT0 across OKX Wallet, Exchange, and X Layer, enabling customers to deposit and withdraw the stablecoin directly. This facilitates seamless transfers between rollups and provides direct access to liquidity in major decentralized finance (DeFi) ecosystems. Additionally, users can leverage USDT0 liquidity across several chains, including Arbitrum, Optimism, Unichain, Polygon, and Berachain.

USDT0 is a stablecoin built on LayerZero’s Omnichain Fungible Token (OFT) standard, ensuring each transfer is verifiable and backed 1:1 by canonical USDT. Since its launch, USDT0 has facilitated over $11.3 billion in cross-chain transfers across more than 251,000 transactions on nine chain paths, making it the most active OFT in the LayerZero ecosystem. The integration on OKX allows its 80 million users to benefit from faster, seamless transfers between rollups and the ability to move liquidity directly between the OKX exchange and decentralized markets, without relying on bridges or wrapped tokens. This collaboration not only enhances cross-chain liquidity but also bridges the gap between centralized and decentralized finance in a more intuitive and efficient manner.

X Layer, as part of OKX’s Web3 infrastructure, is fully integrated into the OKX product suite and serves as a foundational element connecting users and developers to the broader Ethereum ecosystem. The integration of USDT0 on X Layer and other OKX chains expands access to one of the most reliable stablecoins while reinforcing OKX’s role as a full-stack multichain infrastructure provider. Lorenzo R., co-founder of USDT0, emphasized that the expansion of USDT0 is not merely about adding more chains, but about eliminating frictions that have historically limited stablecoin adoption. He noted that this enables USDT0 to be immediately usable wherever developers and users require it most.

The partnership also aligns with broader efforts by Tether to expand its cross-chain capabilities. Tether has launched USDT0 to address challenges related to liquidity fragmentation and bridged tokens. The multichain version of USDT leverages LayerZero’s OFT framework to expand to new blockchains and rollups, reducing the need for native support. Additionally, Tether has initiated two major vertical expansion projects: the Legacy Mesh and Plasma. The Legacy Mesh acts as a central hub connecting existing USDT deployments with USDT0, while Plasma, a Bitcoin sidechain, focuses on payment efficiency and ecosystem development. These initiatives aim to unify liquidity and create a cohesive ecosystem across both established and emerging blockchains.

OKX CEO Star Xu highlighted that the collaboration between Tether and OKX is strengthening the integration of centralized and decentralized finance by providing faster and more intuitive solutions. The integration of USDT0 into the OKX ecosystem supports Tether’s goal of making stablecoins a universal settlement layer across multiple chains. Meanwhile, the recent developments surrounding USDT0 reflect a broader trend in the stablecoin industry toward interoperability and cross-chain expansion. As stablecoins continue to serve as the backbone of on-chain finance, the ability to move assets seamlessly between chains has become a critical factor in driving adoption and liquidity.

Source: [1] Tether: new collaboration to integrate USDT0 on X Layer, OKX Wallet and Exchange (https://en.cryptonomist.ch/2025/09/09/tether-new-collaboration-to-integrate-usdt0-on-x-layer-okx-wallet-and-exchange/) [2] Tether USDT, Expanding its Stablecoin Empire Starting with USDT0 (https://4pillars.io/en/issues/tether-usdt-expanding-its-stablecoin-empire-starting-with-usdt0)