Visa, Mastercard, and Stripe are backing an open stablecoin consortium. The playbook is older than it looks: own the new rail's governance before it owns you.
The four payment models compared: who holds tax, chargeback, and compliance liability as merchant of record, payfac, marketplace, or processor, and which fits.
What interchange fees are, who pays whom in the four-party model, why rates vary, what regulation changed, and how merchants realistically cut card costs.
AI agents that buy on your behalf break the payment stack's core assumption. Who carries liability, why fraud models fail, and who captures the margin.
How the card dispute lifecycle works, what chargebacks really cost merchants, why friendly fraud dominates, and when to fight versus refund.
At scale, single-processor checkout is a point of failure and a margin leak. How payment orchestration routes across processors to lift authorization rates.
Account-to-account payments let merchants pull funds straight from a bank account and skip card interchange. How pay by bank works and why it threatens cards.
Instant payments removed the float fraud teams relied on. A 2026 framework for sub-second scoring, the model stack, and build versus buy.
Stablecoins get the headlines, but tokenized deposits are the rail banks are actually building. Here is who controls programmable money and why.
The GENIUS Act looks like crypto regulation. It is bank infrastructure law. Who captures the settlement margin, and who gets disintermediated.
The SWIFT MT to MX coexistence window closed November 2025. A framework for the bank tech-stack rewiring that follows through 2027.
FedNow crossed 1,400 institutions but mid-sized banks have stalled. Three friction points explain why, and a 2026 decision framework for boards.
Deep analysis across the systems, strategies, and economics that shape modern technology.
Premium Members Get: Exclusive deep-dive research · Architecture playbooks · Executive briefings · Full archive access
