Stablecoins Are Permissionless Until They Touch Fiat: Making the Last Mile an Open Market
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Speaker: Chibuotu Amadi
Type: Lightning Talk
Expertise: Some familiarity with the topic
Event: Devcon
Date: Nov 2026
Drawing on lessons from operating Paycrest across 45,000+ stablecoin–fiat settlements, this talk examines three hard problems in the fiat last mile: discovering real liquidity, making providers commit to execution, and proving that an offchain payout actually happened. I’ll show how per-order escrow, quote/commit flows and payout attestation can address these problems without requiring a central treasury to custody funds, alongside key lessons from failures in production. Attendees will leave with a practical framework for thinking about stablecoin↔fiat infrastructure as an open liquidity market rather than another closed ramp.