What is a crypto card, and how does it work?
A crypto card lets you spend cryptocurrency at ordinary shops, online and at ATMs, using the Visa or Mastercard network. Behind the scenes your crypto backs the card, and each purchase is settled against that balance. This guide explains how crypto cards work and what to look for.
How a crypto card works
When you pay, the merchant sees a normal Visa transaction. The card provider settles that purchase against the crypto you hold — either by converting it or, in a self-custody model, by drawing on collateral you keep in your own wallet. The best crypto cards work anywhere Visa is accepted, including Apple Pay and Google Pay.
Custodial vs self-custody
Most crypto cards are custodial: a company holds your coins. A self-custody card keeps your funds in a wallet you control, so you never hand over custody. If control of your money matters, choose a self-custody card such as a USDC-backed one.
What to look for
- ✓Custody model — self-custody means you hold the keys
- ✓Backing asset — a stablecoin like USDC keeps spending power steady
- ✓Fees — ideally 0% to load, transparent FX/ATM fees
- ✓Acceptance — works wherever Visa is accepted
- ✓Security — freeze, limits, 3-D Secure
Frequently asked questions
Do I need a bank account for a crypto card?
No. A crypto card like a self-custody USDC card is funded directly with crypto from your own wallet, no bank required.
Is a crypto card safe?
A self-custody crypto card keeps your funds in a wallet only you control, with card-level protections like freeze, spending limits and 3-D Secure.
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