Sam Altman told a Fed conference that AI has defeated most of the ways people authenticate today - voiceprints especially, clonable from a few seconds of audio. The fix is not a better voice system; it is rebuilding authentication around device-bound cryptographic keys.
Instant rails stripped out the friction that quietly prevented massive losses - and authorized push payment fraud walked straight through the gap. Once the money hits the rail it is gone, and multi-factor authentication cannot help when the victim authorizes the payment themselves.
RTP cleared $246 billion in 2024 and the headlines said instant payments had arrived. The average transaction sizes tell a quieter story - this is high-value institutional money on a faster rail, not the consumer revolution that was promised.
An $8M deal chopped into 16 payments because one bank used FedNow. With TCH-RTP at a $10M limit and FedNow at $500K, transaction size is quietly deciding which rail a corporate treasurer can use.
The headlines say XRP and RLUSD will replace SWIFT. The likelier path is evolution, not revolution - a hybrid book where each rail earns the job it is actually good at.