An Engineering Buying Framework for a Payment Processor
An engineering framework for evaluating payment processors on idempotency, failover, ledger, reconciliation, and compliance.
PaymentsRegulationGuide
Why Modern Fintechs Layer a Ledger Under Their Core Banking System
Core banking and modern ledgers solve different problems. Learn the architectural split, why fintechs need both, and how to decide what to build or buy.
LedgerPaymentsRegulation
The Different Types of Stablecoins
Learn how fiat-backed, crypto-backed, commodity-backed, and algorithmic stablecoins work and which peg model fits payment infrastructure.
StablecoinsPaymentsRegulation
What Is BaaS? Banking-as-a-Service for Engineering Teams
Banking‑as‑a‑Service (BaaS) gives engineering teams access to regulated banking rails via APIs. Learn how the BaaS model works, how it differs from embedded finance/open banking, and what infrastructure you still need to build (ledger, reconciliation, idempotency, state management).
PaymentsRegulationReconciliationEmbedded Finance
Stablecoin Payments Architecture for Regulated Fintechs
Learn how regulated fintechs should architect stablecoin payments, including on-ramp, off-ramp, and reconciliation infrastructure.
PaymentsStablecoinsRegulationReconciliation
That Time a $400 Giveaway Became an $8M mistake
A Bithumb input error created $40B in phantom Bitcoin. What it reveals about internal ledgers—and the risk every centralized exchange shares.
LedgerAccountingStablecoins