OpenChainGraph Suite · ART-250 · Stablecoin Corridors
Stablecoin Corridor Economics Model
Models the all-in cost of a USDC-based remittance corridor: on-ramp fee, chain/gas fee, off-ramp/local-rail fee, FX spread, and pre-funding float savings vs correspondent banking. Rail-agnostic. Parameterises the Felix/Circle/Bitso pattern without being tied to a specific protocol. For cross-corridor benchmarking use compare_corridor_cost (art-249). For Reg E disclosure arithmetic use compute_remittance_disclosure (art-248).
USDC CorridorFelix/Circle Case StudyBreak-Even AnalysisSDG 10.cProofs Deferred
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Transfer Amount
Amount in USD entering the stablecoin corridor.
Corridor Cost Components (%)
% fee to convert USD to USDC. Industry benchmark 0.5–2%.
% fee for USDC to local fiat. Industry benchmark 0.3–1.5%.
Flat chain fee in USD. Near-zero on Stellar, Solana, or L2 rails.
% FX spread on destination leg (stablecoin rails compress this vs traditional MTO).
Float Savings (optional)
Annual % saved by avoiding nostro pre-funding. Industry benchmark 2–7%.
Days of correspondent pre-funding released by stablecoin settlement. Enter 0 to exclude float savings.
Traditional MTO Benchmark
Traditional MTO benchmark to compare against. World Bank RPW SmaRT global avg is 6.36%.