Mandatory APP scam reimbursement turns fraud into a line in instant-payment unit economics, and the receiving firm now pays half. What it costs, and who.
Credit card surcharge rules differ by network, state and country. When a surcharge is legal, what it does to sales, and cheaper ways to cut card costs.
Much of payments profit is interest on money in transit. Instant rails remove the transit, rates swing the yield. How to find float dependence.
Vault, gateway, and network tokens are three different things. How network tokenization lifts authorization rates, and the processor lock-in nobody flags.
Interchange is not being abolished, it is being unbundled. The losers are not the networks. They are issuers whose products are funded by a fee going soft.
Processors underwrite credit risk, not just fraud. Why delivery timing drives rejections, how reserves work, and the founder playbook for approval.
Correspondent banking survives every challenger because it is not a technology. It is a socialized compliance liability structure, and challengers rebuild it.
The four layers behind every fintech card: network, sponsor bank, issuer processor, program manager. Who earns what, and what it takes to launch.
Fraud losses land where the rules put them. How liability differs across cards, ACH, real-time rails, and wires, and what shifts it.
How virtual cards work in B2B payments: issuance, control types, rebate economics, the supplier acceptance problem, and where they beat ACH.
Stablecoins were supposed to disintermediate the card networks. Instead Visa and Mastercard are running an incumbent defense: co-opt, contain, collect.
Consumer agentic commerce is stalled on liability and mandate problems. B2B receivables is not, and that is where agent-initiated payments are shipping now.
Deep analysis across the systems, strategies, and economics that shape modern technology.
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