Headline pricing rarely reflects what a crypto debit card will cost once you use it as a regular spending tool. The bigger costs tend to appear when the app converts your balance, when a foreign purchase settles, or when you try to pull unused funds back out. Here is how the fee picture breaks down for each card covered in this guide.
KAST Card
- Stablecoin top-up: 0%
- USD spend: 0%
- Non-USD FX: 0.5%–1.75%
- ATM: $3 flat plus 2%
KAST has no top-up fee and no fee on USD purchases, which keeps daily spending costs low for users who stay in dollar-denominated merchants. The cost shows up on ATM withdrawals and on non-USD transactions, where the FX markup can reach 1.75%.
Coinbase Visa Debit Card
- Card spend fee: 0% from Coinbase
- Spread: may apply at conversion
- ATM: operator fee may apply; no Coinbase surcharge stated
Coinbase does not charge a fee on card purchases, but a spread can apply when USDC converts to USD at the point of sale. ATM costs depend on the operator, not Coinbase, so those vary by machine.
Nexo Card
- Monthly or annual fee: none
- FX: up to 0.2% outside EEA, UK, and CH currencies
Nexo has the lightest fee profile of the five cards. There is no issuance fee, no monthly charge, and FX is capped at 0.2% in most regions. The main constraint is availability: the card is limited to EEA and UK users.
RedotPay
- Virtual card: $10
- Physical card: $100
- Crypto conversion: 1%
- Other-currency ATM fee: 1.2% plus the ATM operator fee
RedotPay charges upfront for both card types and takes 1% on each crypto conversion. For users who fund in USDC and spend frequently in non-USD currencies, the conversion and ATM fees stack quickly.
Bybit Card
- Annual fee: none
- Virtual card: free (current offer)
- Crypto conversion: typically 0.9%
- FX: typically 0.5%–2% depending on program
Bybit has no annual fee and currently issues virtual cards at no cost, but the conversion and FX fees apply every time USDC moves to a spendable balance. Users who make frequent small purchases in multiple currencies will see those percentages add up.
Worked Examples
To see how fees affect real spending, consider two scenarios.
A freelancer based outside the U.S. uses KAST Card as their primary USDC spending card. They receive a $2,000 USDC payment, deposit it into KAST at 0% top-up, and spend $1,800 on USD-denominated subscriptions and SaaS tools. Total card fee on those purchases: $0. They withdraw $200 to a local bank via Local Payout. The cost of that exit depends on the payout fee KAST applies to the Local Payout route, which should be confirmed in-app before transfer.
A user in the EEA holds USDC on the Nexo platform and uses the Nexo Card for day-to-day purchases across the eurozone. They spend EUR 500 in a month on merchants that settle in EUR. Because EUR falls within Nexo's EEA currency group, the FX fee applies at 0.2% or less, adding no more than EUR 1 to the total monthly cost. There is no annual fee and no top-up fee on USDC deposited to the Savings Wallet.
Once spread, FX markup, card fees, and withdrawal costs accumulate, a stablecoin card can end up costing more than a standard debit card or a straightforward exchange-to-bank withdrawal. The cleaner the fee structure, the less you need to track.