A quiet reckoning is arriving for the global banking system — not through crisis or collapse, but through the slow, structural migration of money itself. Capgemini's 2027 World Payments Report, released in September 2026, finds that stablecoins, tokenized deposits, and central bank digital currencies are on course to claim 4% of global payments by 2030, dissolving an estimated $230 billion in the fee income and foreign exchange margins that banks have long treated as permanent fixtures. The deeper story is not one of technology displacing institutions, but of institutions failing to solve a ge