Summary
June 2026 was the single most consequential month in stablecoin history. The 63% MoM surge to $1.79T was driven by multiple converging events: Open USD consortium launch (140+ partners including Visa, Mastercard, BlackRock, Stripe, Coinbase), MiCA's July 1 hard enforcement deadline triggering the largest EU USDT delisting wave, GENIUS Act final rules race (July 18 deadline), and three simultaneous major asset manager reserve fund launches (Fidelity, State Street, Invesco). Total stablecoin market cap crossed $322B — surpassing the FX reserves of 95 nations including the UK and Canada.
Key Points
- Open USD launched June 30 with 140+ partners — zero-fee mint/redeem, partner-owned reserve yield
- MiCA deadline: Coinbase, Kraken, Crypto.com, Binance EU all delisted USDT for EU users
- Fidelity Reserves Digital Fund (0.18% ER), State Street SSCXX, Invesco Stablecoin Reserves Onchain Fund all launched in June
- USDC surpassed USDT in adjusted transaction volume for the first time in history
- RLUSD JFSA approval in Japan; Crédit Agricole EURXT launched; MetaMask Money Account launched
- Tokenized Treasury market crossed $7B (BlackRock BUIDL $2.5B+)
- Fortune 500 entered at scale: Visa, Mastercard, AmEx, BlackRock, BNY, Google, Shopify, DoorDash all made concrete stablecoin commitments