Runnable,reference implementation of payment-side execution finality for agentic, API, and automated payments. Implements Candidate Act, evidence-before-authority, and consume-once Settlement Sink verification against live instructions. Companion repo to IETF Internet-Draft draft-das-payment-execution-finality-01. Python 3.10+, 52 tests.
swift sepa online-payments ach fatfs 3d-secure open-banking imf anti-money-laundering digital-currencies cbdc e-cny real-time-payments iso-20022 digital-euro payment-fraud-detection iso-20022-standards open-banking-and-financial-tools
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Updated
Sep 10, 2026 - Python