Understanding Rails

Last updated: February 3, 2026

Rails are payment corridors that enable fiat inflows (onramps) and outflows (offramps). Each rail connects stablecoins to a particular fiat currency and geographic market.

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HIFI Rails

RailAccessNotes

USD Rail

Payins/payouts to US via ACH, Wire, RTP

Includes virtual accounts

Global Network Rail

Payouts to Asia & Africa (CNY, HKD, BRL, MXN, NGN)

Multi-currency support

Africa Rail

Payins/payouts across 15+ African countries

Local currency settlement

Key Points

  • Each rail has different KYC requirements

  • Users must complete KYC for the specific rail they want to use

  • Rails determine which payment methods are available (ACH, Wire, SWIFT, local rails)