For CFTC-designated contract markets, prediction-market exchanges, event-contract operators, and their affiliates that mainstream processors are declining. Kalshi processed $2B+ notional on World Cup 2026 event contracts alone. After the Third Circuit's April 2026 ruling gave the CFTC exclusive jurisdiction over sports-related event contracts, several state attorneys general (NV, NJ, MD, CT) issued cease-and-desist letters. Card networks are ambiguous on MCC coding. Direct acquirer placement at banks that will underwrite CFTC-registered entities, ACH-first architecture, and dispute defense tuned for cross-border card-not-present trader flows.