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Your betting bankroll starts at an exchange. We ranked the biggest fiat on-ramps on trading fees, withdrawal costs, security history, and proof-of-reserves transparency.
Crypto sportsbooks do not accept card deposits directly in most regions — you buy coins on an exchange first, then transfer on-chain. The right exchange keeps that pipeline cheap, fast, and compliant.
For betting flows we weight withdrawal fees and network options heavily: an exchange with free TRC-20 USDT withdrawals saves an active bettor hundreds of dollars a year versus ERC-20-only competitors.
Non-negotiables in 2026: published proof of reserves, cold storage for the majority of client assets, mandatory 2FA, and address allowlisting. Every exchange in our top 10 passes all four.
Remember the golden rule: exchanges are for buying and transferring, not storing. Move long-term holdings to a hardware wallet and keep only your active bankroll liquid.
