Sweepbase is an independent comparison engine for crypto debit and credit cards. We track 141 cards across every major region and rank them by their real costs — FX spreads, ATM fees, top-up charges, monthly costs, cashback and staking yield — instead of marketing claims. Filter by Visa or Mastercard, custodial or self-custody, no-KYC, virtual, metal, Apple Pay and more, then open a detail page for a plain-language breakdown of what each card actually costs. Alongside the catalog we publish region buying guides, fee explainers, deep reviews of the biggest cards, and original research on BIN-sponsor concentration. No account, no paywall, continuously updated.