Retail banking today is built on silos, fragmentation, and poor customer service—an industry ripe for disruption. While DeFi captured headlines, “Open Finance” (the term the author prefers over “RWAs”) represents the true next step: public, private, and permissioned blockchains unifying payments, forex, lending, and more under one roof. This post lays out exactly why Wall Street’s fixation on RWAs is a stepping stone toward the broader Open Finance revolution that will finally kill off legacy banking.