How Payments Actually Work
A card tap takes two seconds to approve and three days to settle, and the gap is where payments actually happen.
How Affirm Underwrites a Loan Before the Page Loads
A sub-second credit decision running on fourteen years of repayment data the bureaus never collected.
ai & mlRAG for Compliance Docs: What Actually Works
Most RAG pipelines are tuned for clean prose, but compliance documents have cross-references, nested definitions, and tables that break every default.
analysisAfrican Fintech: The Leapfrog
Africa's fintech leapfrogs are real where they follow market structure and overhyped where they import assumptions from somewhere else.
analysisThe OCC's AI Risk Tiers and What They Mean for Engineers
The OCC gave examiners a four-tier rubric for scoring AI in banks, and your architecture determines which tier you land in.
analysisVisa Tested 22 AI Shopping Agents. The Payment Stack Wasn't Part of the Test.
Visa's benchmark scored whether agents buy the right thing, but 23% of runs bought the wrong thing, and the payment stack has no way to tell.
engineeringReconciliation Is Where the Money Hides
Every fintech has a ledger and a bank account, and the numbers between them disagree more often than anyone admits.
engineeringThreat-Model a Fintech System, Not a Web App
OWASP catches injection and broken auth, but it won't catch the retry that donates twice from someone's bank account.
fintechFraud Detection 101
Your fraud model has 45 milliseconds, 99.99% legitimate transactions, and a customer who will leave if you get it wrong.
analysisPayPal Wants Developers to Build on PYUSD
PYUSDx lets developers issue custom stablecoins backed by PayPal's dollar, and the real play is making PYUSD the reserve layer.
fintechCash Flow Infrastructure Is a Platform Decision
Cash flow starts as a product feature and becomes infrastructure the moment two systems need the same balance.