Why headline fees can be misleading
Many card products promote a simple fee number, but the actual cost depends on how the card is used. A user who spends in USD online may pay a different total cost from a user who spends in local currency while traveling. A user who tops up with ERC-20 may pay a different network cost from someone using a lower-cost supported network.
The main crypto card fee layers
| Fee layer | What it means | What to check |
|---|---|---|
| Conversion fee | Cost of converting crypto value into fiat for spending | Whether the fee is fixed, variable or included in the rate |
| FX fee | Foreign exchange markup for non-base-currency spending | Whether non-USD or cross-border transactions add cost |
| ATM fee | Cost of withdrawing cash | Flat fee, percentage fee and monthly free limits |
| Network fee | Blockchain cost when topping up crypto | Supported chains and current network conditions |
| Issuance or activation fee | Cost to open or activate the card | Whether it is one-time, waived or promotional |
| Dormancy or maintenance fee | Cost after inactivity or for account maintenance | Whether inactive accounts are charged |
Example: why 0 percent does not always mean free
Assume a user spends 500 USD equivalent in a non-USD country. A card may advertise low or zero conversion fees, but still apply an FX markup. Another card may charge a visible conversion fee but lower FX markup. The cheaper option depends on the total cost, not the headline number.
| Scenario | Visible conversion fee | FX markup | Estimated cost on 500 USD |
|---|---|---|---|
| Card A | 0% | 2% | 10 USD |
| Card B | 0.5% | 1% | 7.50 USD |
| Card C | 1% | 0% | 5 USD |
This example is for education only. Actual costs depend on card terms, exchange rates, currency pair, merchant location and platform rules.
Questions to ask before choosing a crypto card
- What is the crypto-to-fiat conversion fee?
- Is FX markup charged for non-base-currency transactions?
- Are there ATM fees or monthly withdrawal limits?
- Which top-up networks are supported?
- Are there activation, issuance, monthly or inactivity fees?
- Where can I see the real-time fee before confirming a transaction?
How BKJ should present fees
BKJ avoids vague claims like “zero cost” or “best fee”. The stronger approach is transparent education: explain the fee types, link to the official fee page, and encourage users to check real-time rates in the app before confirming transactions.
FAQ
What is a conversion fee?
It is the fee or spread applied when crypto value is converted into fiat currency for payment.
What is an FX fee?
It is a foreign exchange cost that may apply when spending in a currency different from the card base currency.
Why do network fees matter?
Topping up crypto requires a blockchain transfer. Different networks can have different costs and confirmation times.