Prediction markets should require customers to withdraw funds only to the payment source used for deposit

Rules that force crypto businesses to identify customers and report suspicious transactions, from KYC mandates and the Travel Rule to mixer enforcement.

Decentralized platforms where users trade outcome-based contracts on real-world events using crypto.

Adherence to applicable laws and regulations governing crypto asset issuance, trading, and custody operations.

A September 2026 report described an attempt to move at least $10 million through Polymarket US using stolen debit cards earlier that year. The attempted deposits and the company's withdrawal controls became subjects of regulatory scrutiny.