Prediction markets are a category regulators can't classify. Neither can card networks.
Kalshi has a CFTC license. Polymarket doesn't take US customers. Everything in between is a compliance question the acquirer punts on by declining to underwrite. Stablecoin rails let prediction-market operators route customer funding without waiting for regulatory clarity that hasn't arrived in a decade.
Some acquirers treat them as MCC 7995 (gambling), some as MCC 6211 (securities), some just decline to onboard. There is no stable classification, so there is no stable card processing.
OFAC and state-by-state gambling law forces card acquirers to geo-block US traffic, which kills the primary user base. Stablecoin doesn't route through the network layer that geo-blocks.
T+3 card settlement doesn't work when markets resolve intraday. Operators need same-day liquidity for payouts, which card rails structurally cannot provide.
- No MCC classification problem — stablecoin rails have no MCC.
- 24/7 settlement matches 24/7 market resolution.
- Same-day payout liquidity — operator holds float in USDC and pays out on-chain.
- No geo-block at the rail layer — you enforce geography at your KYC layer, not by acquirer decree.
Questions operators in this vertical ask.
Payment rail is orthogonal to your regulatory posture. If you're operating under a CFTC no-action letter or a state license, the cashier provides auditable settlement records. If you're operating in a legal-grey posture, that risk remains yours — the cashier does not create or resolve it.
Yes — the same customer-facing rails (Cash App, Zelle, PayPal, Venmo) work in reverse for payouts, or you can settle in stablecoin to users who prefer it.
The cashier hooks into your KYC vendor (Persona, Sumsub, Jumio, etc.) via webhook. Every deposit and payout event ties to a KYC-verified user identity.
$ contact --vertical prediction-markets