
BTC fintech math most companies learn too late: Modular stack: custody + liquidity + AML from 3 separate vendors Reality: 5 vendors = $200-500K/year in engineering maintenance alone Launch: 3 months promised, 12 months actual Airwallex built unified. Eliminated third-party dependencies. Scaled to $1B revenue. Infrastructure control is the moat. #BTC #Crypto #Fintech
