Emily Carter

🚨 THE BIGGEST THREAT TO GLOBAL PAYMENT COMPANIES IS AI USING STABLECOINS. Visa is down 4.6%. Mastercard is down 5.7%. American Express is down 7.2%. Capital One is down 8.8%. Markets are beginning to price a structural shift. And the concern is simple. AI systems do not choose payment methods based on brand or existing infrastructure. They automatically select the fastest and cheapest way to settle transactions. Today, card payments typically cost merchants between 2% and 3.5% per transaction. Cross border payments often exceed 4% once currency spreads and intermediaries are included. If AI agents can instead settle payments instantly using stablecoins at near zero cost, expensive payment rails begin to lose their advantage. And payments sit at the center of almost every industry. Every business depends on moving money. That is why stablecoins are becoming difficult to ignore. Traditional payment systems still carry significant friction. Card networks charge percentage based fees. International wires can cost hundreds of dollars. Settlement delays slow capital movement across businesses and supply chains. Stablecoin networks change that structure. Transfers settle within seconds or minutes. Cross border payments can cost only a few dollars. Network fees can fall to fractions of a cent while operating continuously without downtime. At global scale, this difference becomes enormous. Global remittance fees still average 6.6%, according to World Bank data. Now combine that with the size of global payments. B2B payment flows alone exceed $1.6 quadrillion annually. Even small efficiency improvements shift trillions of dollars. Adoption data already reflects this transition. Stablecoin transaction volume reached roughly $33 trillion in 2025, growing more than 70% year over year. Total supply has expanded to over $300 billion, compared with roughly $10 billion just a few years ago. Citi estimates supply could reach $1.9 trillion by 2030 and potentially $4 trillion in a bullish scenario. At that scale, stablecoin issuers could become some of the largest buyers of U.S. Treasury bills globally. This creates pressure on banks as well. Banks rely on deposits to fund lending activity. Stablecoins instead hold reserves directly in Treasury bills. If companies begin holding operating capital in stablecoins rather than bank deposits, part of the funding base supporting traditional lending starts to shift. Regulators are already paying attention. During recent U.S. crypto regulatory discussions, banking groups pushed strongly against allowing stablecoins to offer yield. The concern was clear. Digital dollars backed by Treasuries offering returns outside banks could accelerate deposit migration. AI adds another acceleration layer. Payments are increasingly moving from humans to software systems. AI agents paying APIs automatically. Software renting compute resources in real time. Machines settling services continuously. These systems optimize strictly for cost and speed. When AI compares percentage based card fees with near instant stablecoin settlement, routing decisions become mechanical rather than behavioral. Financial institutions are already preparing for this possibility. Fireblocks research shows nearly half of institutions already use stablecoins for payments, while more than 80% report infrastructure readiness. McKinsey estimates real world stablecoin payments across payroll, remittances, and business settlement already approach $390 billion annually and are growing rapidly. Even Visa and Mastercard are now integrating stablecoin settlement infrastructure behind the scenes. Payment networks are not disappearing overnight. But markets may be starting to price a future where moving money becomes significantly cheaper. And that directly challenges one of the most profitable layers in global finance.