Payments Strategy Breakdown by Dwayne Gefferie
Dwayne GefferieStrategic breakdowns of payment companies and how enterprise merchants build payments strategy. Written for operators who make the calls, not spectators.
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dwaynegefferie.substack.comLatest Issues
AI Accountability
Accountability rarely gets the attention that new AI products get. But in payments, it decides how quickly acquirers, issuers, processors and payment service providers can let AI agents act on their own, so it’s worth knowing where it stand...
Payments Moats
At the start of October, a GitHub project called Reverse Engineer Anything had fewer than 10,000 stars. By October 20, it had more than 342,000 stars, making it one of the fastest-growing repositories GitHub has ever seen. It connects AI co...
Payments Strategy in the Age of AI
In May 2026, Anthropic, the company behind the Claude models, released ten ready-made AI agents for financial services. They build pitchbooks, screen KYC (know your customer) files, and close the books at month-end. In September, OpenAI fol...
Payments Modernization
Fiserv has 14 merchant gateways, and 24 routers and switches behind them to reach Visa and Mastercard. The company’s new chief executive wants one of each.
Nobody designed it like this. Fiserv bought First Data for $22 billion in 2019, and...
AI Merchants: Stripe Owns the Tail. The Top Is Shopping Around.
On 13 August 2026, Adyen published its first-half results. €803.8 billion in processed volume, €1.3 billion in net revenue, and one name in the list of enterprise wins that most people scrolled right past.
OpenAI.
Thanks for reading Payme...
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