Tether’s USAT stablecoin, a regulated U.S. market digital dollar, is leaving the Ethereum mainnet for the first time and landing on Celo, a mobile-first Ethereum layer 2 network with 14 million Opera MiniPay wallet users already transacting in over 66 countries.
This is not a minor technical footnote. This is a direct pipeline from the regulated dollar infrastructure to one of the most active real-world stablecoin ecosystems on-chain today.
Tether announced the expansion on March 31, 2026, with Google Cloud providing infrastructure support and Celo governance expected to vote on activating USAT as the network’s primary gas currency. Celo already hosts 4.23 million active USDT users each week, so USAT will not arrive to an empty room.
safe. borderless. Built for the real world. 🌍Used $ It’s officially coming. @CeloWe provide the most trusted digital dollars to millions of mobile users. Additionally, we are launching a mainnet faucet that prioritizes privacy. @googlecloud pic.twitter.com/fN2Lphmfe5
– USAT (@usat) March 31, 2026
What does Celo’s USAT actually mean for DeFi fees and liquidity?
Start with the basics. The Ethereum mainnet, the first blockchain launched by USAT in January 2026, is powerful but expensive. During busy periods, a single token transfer can cost anywhere from $5 to $30 in gas fees. For someone sending $50 to a family member overseas, this isn’t feasible.
Celo is built differently. It’s changing, but this is Ethereum layer-2. Celo’s fee is only 1 cent. This changes who can realistically use USAT.
After much thought pic.twitter.com/N2Ae0bi4DU
— Celo.eth/acc 🦇 🌳 (@Celo) April 1, 2026
There is another feature worth understanding: fee abstraction. Most blockchains require the network’s native token to pay transaction fees, even if you only want to move stablecoins. Celo eliminates this friction.
Once Celo governance approves USAT as the gas currency, users will be able to pay fees directly in USAT itself. No ETH and no CELO tokens required. For those new to DeFi, this is the difference between a manageable experience and a confusing one.
Google Cloud integration adds another layer. The mainnet faucet, a tool for distributing small amounts of tokens to verified users, uses privacy-preserving human proof verification developed by a platform called Self.
Verified users can claim USAT without exposing their personal data. This has implications for regulated stablecoins, which need to verify that users are real human beings without having to build surveillance infrastructure.
Tether CEO Paolo Ardoino explained the move toward access: “More than 566 million people globally use USDT as a reliable way to access and move dollars, especially in markets lacking traditional financial infrastructure.
” The expansion of Celo allows USAT to participate directly in the ecosystem where users already operate. Standard Chartered announced on Tuesday that stablecoin velocity has doubled in two years, with coins changing hands an average of six times a month. The bank now expects the stablecoin market to reach a total market capitalization of $2 trillion. USAT’s Celo move is geared toward this acceleration.
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