Coinbase joins OUSD stablecoin consortium as founding member

Coinbase has signed on as a founding member of Open USD (OUSD), a planned stablecoin backed by more than 140 financial, technology and crypto firms including Visa, Mastercard, Stripe, BlackRock and Google. The consortium promises free minting and redemption for businesses and a reserve-income model that pushes most of the yield back to the platforms driving adoption, a direct challenge to the issuer-led economics that have defined the $320B stablecoin sector.

For Circle, the most consequential name on the list is its own biggest distribution partner. Coinbase said in its Q1 report that more than 25% of USDC in circulation, roughly $19B on average, was held across its products, while Base processed 62% of global on-chain stablecoin transaction volume during the quarter. Circle paid Coinbase $908M in 2024 under their revenue-sharing agreement, and stablecoin-linked revenue totaled about $1.35B for Coinbase in 2025, roughly 19% of its annual take. The current distribution contract runs on a three-year cycle and expires in August 2026.

Why it matters

The economics of stablecoin issuance have long rewarded whoever holds the reserves, not whoever holds the customer. Issuers like Circle and Tether take in dollar deposits, park them in short-term Treasuries, and keep the yield. OUSD inverts that split: most of the reserve income flows to the wallets, exchanges, card networks and asset managers actually moving users onto the token. As stablecoins migrate from speculative trading rails to global settlement infrastructure, the firms controlling distribution are demanding a realignment of the revenue stack.

Circle's response has been a sharp public defense of its network effect. CEO Jeremy Allaire, citing Artemis data, said USDC handled nearly $30T in on-chain transaction volume in Q1 2026, accounting for 80% of all dollar-denominated stablecoin transactions across major blockchains. He argued USDC ranks among the top three most liquid digital assets globally, with the next tier of dollar stablecoins roughly 10x smaller and concentrated in single-exchange books. Allaire warned that large corporate coalitions coordinate slowly, misalign incentives, and rarely produce durable innovation, pointing to Circle's own abandoned early consortium as evidence.

Market impact

The market read the announcement as a direct hit on Circle's commercial moat. Circle shares dropped 16% on the day the OUSD consortium was unveiled, and analysts at Tiger Research framed Coinbase's founding role as commercial leverage heading into the August 2026 contract renewal.