Lightning Strikes Reality: The Harsh Truths of Cross Border Fiat Payments
summary
Builds a cross-border rail using Bitcoin for the international leg and Lightning to move value, then onramps and offramps into local fiat rails; achieves ~1% fees on any amount and deep integration with local payment methods for Colombia, while wrestling with BTC and fiat liquidity constraints, settlement speed tradeoffs, and local regulatory frictions — system operates in production and materially cuts costs but still faces liquidity and compliance limits.
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