Ledger Database Architecture: Double-Entry Accounting at Scale (2026)
A ledger database architecture for fintech: double-entry invariants, immutable append-only design, balance consistency, TigerBeetle-class throughput, and audit.
Stablecoin Payment Infrastructure Architecture (2026)
A reference architecture for stablecoin payment rails: on/off-ramps, settlement, treasury, custody, and compliance - a systems analysis, not financial advice.
ISO 20022 Migration: A Payments Architecture Guide (2026)
ISO 20022 migration as a systems-design problem — the MX message model, MT coexistence, translation layers, validation, and a reference architecture.