Tether Expands USDT0 Stablecoin to OP Mainnet in Superchain Push

Highlights:

• Tether has expanded USDT0 to OP Mainnet to improve access and boost stablecoin adoption.
• Superchain processes over half of Ethereum L2 transactions and expects to go beyond by the end of the year.
• The integration aims to drive DeFi growth by enabling faster and more efficient transactions.

Tether has expanded its USDT0 stablecoin across Optimism’s Superchain, bringing it to the OP Mainnet after its initial launch on Kraken’s Ink Layer 2. The objective of this move is to enhance USDT0’s footprint on Ethereum Layer 2 networks and improve the availability of stable digital assets. USDT0, according to Tether, is built for inter blockchain compatibility, enabling it to uphold its status smoothly across different chains on the Superchain ecosystem.

USD₮0 is live on @Optimism and the Superchain

USD₮0’s brings the largest stablecoin ecosystem to OP Mainnet and Superchain, connecting the L2 hub to more than $141B USDT.

Your USD₮0, anywhere, as the canonical USD₮ across the entire Superchain. https://t.co/iXEBNS8yEl pic.twitter.com/tMX8Q7X0Mi

— USDT0 (@USDT0_to) March 27, 2025

Optimism’s Superchain functions as a network of Ethereum Layer-2 scaling solutions that share security, standards, and incentives. Tether is leveraging the Superchain’s growing distribution network with its USDT0 expansion.

With native interoperability, the stablecoin can easily take advantage of native interoperability and execute transactions with zero slippage and one block finality. For this reason, asset movement across OP chains is not barred, bringing more opportunities for liquidity in Decentralized Finance (DeFi) applications.

This decision by Tether to integrate USDT0 in Superchain reflects Tether’s overall approach to promote stablecoin adoption. The company launched USDT0 in January with support from the interoperability protocol LayerZero.

One month later, it partnered with Arbitrum as the main infrastructure provider. The latest deployment on OP Mainnet reflects the commitment of Tether to making USDT0 a widely used stablecoin across multiple blockchain networks.

Superchain’s Role in Ethereum Scaling and DeFi Growth

Superchain has proven itself to be a key actor in scaling Ethereum through its integrated framework of Layer-2 chains. Currently, it handles 52% of all Ethereum Layer-2 transactions. Optimism predicts that 80% of Ethereum Layer 2 transactions will flow through Superchain by the end of the year.

The integration of USDT0 into Superchain will contribute to the growth of DeFi by allowing for faster, cheaper transactions. The interoperability of Superchain helps ease capital movement across platforms as USDT0 can move between OP Chains without friction. This gives an advantage to users, developers, and businesses who seek to carry out reliable and cost-effective financial transactions.

In addition, the deployment of USDT0 reinforces Superchain’s appeal to developers building DeFi applications. Superchain creates a unified security model and shared infrastructure to reduce complexity for projects that require stablecoin liquidity. Given this, USDT0 may be further adopted and used within the ecosystem as more DeFi platforms may integrate it.

Beyond DeFi, the expansion of USDT0 helps facilitate the bridging of traditional finance and blockchain-based assets. USDT0 helps to create a more stable and efficient financial space on Layer-2 solutions by ensuring seamless transfers and lowering the volatility risks.

Stablecoins Drive Market Liquidity and Institutional Interest

The total supply of stablecoins continues to hold a significant position within the landscape of digital finance at an incredible $228 billion. Demand for dollar-pegged digital assets, including stablecoins, has grown as the stablecoin market has added 3.3% over the past month. Ethereum leads the pack in stablecoin transactions, accounting for 58% of the total stablecoin supply.

In the stablecoin market, Tether remains a big player and has garnered attention through its investments in the US Treasury. The company is the world’s seventh largest buyer of US Treasury bonds, ahead of many other countries such as Canada, Taiwan, and Mexico. In particular, Tether invests in Treasury to promote the stability of its stablecoin reserves. In addition, the investment guarantees that USDT0 is fully backed by cash and cash-equivalent assets.

Tether was the 7th largest buyer of U.S. Treasuries in 2024, compared to Countries pic.twitter.com/fEANUL3fb2

— Paolo Ardoino (@paoloardoino) March 20, 2025