Stablecoins are fracturing global finance’s “Impossible Trinity” – the irreconcilable tension between regulation, decentralization, and scalability. With $27.6T in annual transactions, they force radical trade-offs: regulators impose MiCA-style controls, banks resist disintermediation, and infrastructure gaps throttle adoption. Yet breakthroughs are emerging. From Argentina’s Bitcoin pivot to BNY Mellon’s tokenization of real-world assets, stablecoins bypass legacy systems – igniting an adoption war that will redefine whose financial infrastructure dominates the next decade.