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analysis

PayPal 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.

anatomy

Chime - Fraud Detection at Neobank Scale

Chime processes a million events per second through a serverless fraud pipeline that most engineers wouldn't recognize as a fraud system.

fintech

Cash Flow Infrastructure Is a Platform Decision

Cash flow starts as a product feature and becomes infrastructure the moment two systems need the same balance.

ai & ml

AML's Real Bottleneck Is the Narrative

Transaction monitoring generates the alerts, but the four-hour SAR narrative is where compliance teams actually lose their week.

anatomy

Spade and the Payments Data Layer

Card authorization messages give issuers 40 bytes to identify a merchant, so Spade built the side channel that carries the rest.

analysis

Non-Banks Are Winning Business Banking

Business banking is splitting in two, and the line runs through engineering, not regulation.

engineering

What Happens When a Lending Pipeline Drops an Event

Lending pipelines span days, and every dropped event becomes a compliance gap that hides until the next audit.

ai & ml

Why Your Fraud Model Needs to Decide in 45 Milliseconds

Your fraud model took three weeks to train, and the payment network gives it 45 milliseconds to decide.

analysis

African Fintech: The Plumbing

African fintechs process billions across five payment rails but still reconcile with spreadsheets, and the failure modes in the plumbing underneath are specific.

engineering

When Your Ledger Becomes an Agent's API

Authentication tells the ledger who the agent is, but nothing in the standard API surface tells it what that agent is allowed to do.

fintech

What AML Transaction Monitoring Actually Looks Like in Production

4.8 million suspicious activity reports were filed last year, most generated by monitoring systems where nine out of ten alerts lead nowhere.