
The European Union is initiating revisions to its Markets in Crypto-Assets (MiCA) regulation following unintended consequences that have effectively granted Circle a monopoly on authorized dollar-denominated stablecoins for European retail investors. MiCA's requirement that stablecoin reserves be held in EU bank deposits proved incompatible with Tether's business model, which relies heavily on US Treasury bills, leading to the widespread delisting of USDT across licensed European platforms. This regulatory shift culminated on July 6, 2026, when Revolut halted USDT purchases, marking the final stage of a cascade that removed the world's largest stablecoin from major EU exchanges. While intended to protect European financial sovereignty, the framework has inadvertently incentivized the use of a US-regulated stablecoin, USDC, which supports US Treasury demand—a dynamic the European Central Bank previously identified as a threat to EU monetary policy. Furthermore, the transition to MiCA saw only 280 of 1,200 firms successfully secure authorization, representing a significant consolidation of the European crypto market. As the RWA sector grows, with tokenized assets reaching $26 billion, regulators are now forced to address the jurisdictional and structural gaps exposed by the rapid enforcement of these rules. The ongoing review reflects a broader struggle to balance strict financial oversight with the realities of a globalized, fast-moving digital asset ecosystem.
MiCA is the European Union's comprehensive regulatory framework for crypto-assets, designed to provide legal certainty and consumer protection across member states. It mandates that stablecoin issuers, classified as e-money tokens, must hold specific licenses and maintain reserves that meet strict liquidity and custody requirements. The regulation aims to mitigate systemic risks by ensuring that issuers are accountable to EU financial authorities.