Official Rust SDK for the Orizn Visa API — 39,585 passport-destination pairs in 15 languages
Credit Card BIN validation using bin-cc data. Identify card brands, validate CVV codes, and check Luhn algorithm.
Credit card validation library for Rust - work in progress
Counter-account prediction for the doppio ledger compiler -- given a partial transaction, suggest the most likely counter-account from journal history.
EMV 3-D Secure 2.x (3DS2) protocol — AReq/ARes/CReq/CRes messages, transaction state machine, ECI/CAVV helpers, and full EMVCo spec serialization for payment authentication (SCA/PSD2)
Terminal-based zero-based budgeting application
A Luhn validation library
High-performance SIMD-optimized Luhn algorithm validator for payment card numbers with zero-allocation design
ISO 8583 message format parser and serializer with JSON-driven field specifications
A bridge library for TAP-MCP integration
Production-ready zero-allocation ISO 8583 parser with SIMD optimization and no_std support
Safe rust bindings for VISA(Virtual Instrument Software Architecture) library
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