We can’t pick an overall winner yet: at least one of these cards doesn’t have enough verified data for a score.
Head-to-head
| Feature | ether.fi | KAST | Better |
|---|---|---|---|
| Cashback without staking | 3% | 1.5% | ether.fi |
| Best cashback | Up to 4% | Up to 3% | ether.fi |
| Issuance fee | Free | Not verified | — |
| Monthly fee (entry tier) | Free | Free | Tie |
| FX fee (entry tier) | 1.5% | Not verified | — |
| Available in US | With restrictions | Available | KAST |
| Available in UK | Available | Not verified | — |
| Available in EEA | With restrictions | Not verified | — |
| Network | Visasource | Visasource | — |
| Card type | Debit / credit · self-custody | Credit | — |
| Staking or paid plan for best rate | Yes | Yes | — |
| Top-up | Not verified | 0% (stablecoin deposits; blockchain costs excluded)source | — |
| Free ATM per month | Core: none stated; Luxe and above: up to 10 free withdrawals a monthsource | None — every withdrawal costs $3 + 2%source | — |
Built from the verified facts in each review. “Better” is blank when either value is unverified.
Rewards compared
ether.fi Cash: entry-tier cashback 3%source, best rate Up to 4%source, paid in ETHFIsource. The best rate needs a token stake, holding or paid plan.
KAST Card: entry-tier cashback 1.5%source, best rate Up to 3%source, paid in USDsource. The best rate needs a token stake, holding or paid plan.
Fees compared
Example: you spend $1,000 a month on the entry tier, 20% of it in a foreign currency, and fund the card for free. Yearly result = entry-tier cashback − FX fees − monthly fees × 12.
| Card | Cashback | FX fees | Card fees | Net per year |
|---|---|---|---|---|
| ether.fi Cash | $360 | −$36 | −$0 | $324 |
| KAST Card | Can’t calculate: a fee or rate is not verified | |||
Ignores issuance fees, ATM use, caps and token price moves. Fees are in each issuer’s currency for the region shown in the review. Run your own numbers.
Availability
| Region | ether.fi | KAST |
|---|---|---|
| US | With restrictions | Available |
| UK | Available | Not verified |
| EEA | With restrictions | Not verified |
Both issuers require identity verification (KYC). Not legal advice; an issuer can refuse any applicant.
Choose ether.fi Cash if…
- You want cashback without staking — 3% on the entry tier versus 1.5%.
- You can reach the top tier: the best advertised rate is 4%.
- You are looking for a card for high cashback on the free tier from a self-custody vault.
Choose KAST Card if…
- You live in the US, where KAST Card can be issued and ether.fi Cash has restrictions.
- You are looking for a card for dollar spending with cashback on a free tier.
FAQ
Which is better, ether.fi Cash or KAST Card?
We can’t pick an overall winner yet: at least one of these cards doesn’t have enough verified data for a score.
Can I get ether.fi Cash or KAST Card in the US?
ether.fi Cash: With restrictions. KAST Card: Available. Availability can change; check the issuer’s site before applying.