Designing an escrow state machine for peer-to-peer deliveries with USDC on BasePosted, matched, funded, in transit, handoff, released or refunded: modeling a P2P delivery around USDC escrow, final settlement and an instant payout.Oct 30, 2026 · 8 min read
Oct 29, 2026Oct 29, 2026 · 6 min read · 5 viewsWould You Hand a Stranger $1,299 for a MacBook? Designing Trust Into Traveler DeliveryEscrow before purchase, a 4-digit handshake, and payouts that clear in the same moment as delivery: the trust model behind Qrrier.6 min read · 5 views
