Yearly cost at three spending levels
| Monthly spend | KAST | ether.fi Cash |
|---|---|---|
| $500 | -$15 Standard | ≤ +$180 Core |
| $2,000 | +$192 Standard | ≤ +$720 Core |
| $5,000 | +$66 Standard | ≤ +$720 Core |
Net value per year: cashback minus conversion, FX, ATM and fixed fees. US dollars, 20% foreign spending, one $200 ATM withdrawal a month. The card cost calculator runs the same comparison with your own habits.
Where the money goes at $2,000 a month
| Line | KAST Standard | ether.fi Cash Core |
|---|---|---|
| Top-up and conversion fees | $0 | Not disclosed |
| Spending fees | $0 | Not disclosed |
| Foreign exchange markup | -$84.00 | Not disclosed |
| ATM fees | -$84 | Not disclosed |
| Annual, monthly and subscription fees | $0 | $0 |
| Cashback | +$360 | +$720 |
| Net per year | +$192 | +$720 |
Fees
KAST charges 0% to convert or top up and 1.75% on spending in a foreign currency. ether.fi Cash charges Not disclosed and Not disclosed.
ATM withdrawals: KAST 2% + $3; ether.fi Cash not disclosed.
A virtual card costs nothing with KAST and nothing with ether.fi Cash. A physical card costs $40 and an undisclosed fee. Neither card has an annual fee on its base tier.
Cashback and rewards
KAST cashback: 1.5% to 3%. ether.fi Cash cashback: 3% to 4%.
KAST tiers: Standard: 1.5% on the first $2,000 a month; Premium ($1,000 a year): 2% on the first $10,000 a month; Private ($10,000 a year): 3% on the first $40,000 a month.
ether.fi Cash tiers: Core: 3% on the first $2,000 a month; Luxe: 3% on the first $10,000 a month; Pinnacle: 3% on the first $50,000 a month; VIP: 4% on the first $50,000 a month.
KAST: Premium and Private also earn KAST Points (1% and 2%), which this model does not value.
ether.fi Cash: Membership levels also add category cashback (10% to 30% on AI, streaming and food, capped monthly), travel discounts and account balance protection against smart contract exploits of $10,000 to $500,000, which is not deposit insurance.
Availability and KYC
KAST does not publish a country list. KAST shows supported countries only in the app during sign-up.
ether.fi Cash does not publish a country list. ether.fi does not publish a country list. In Argentina, Angola, Bangladesh, Bolivia, Colombia, Ecuador, Indonesia, Malaysia, Mexico, Nigeria, Peru, the Philippines, South Africa and Thailand the first virtual card costs $10.
KAST needs full KYC and ether.fi Cash needs full KYC.
The card finder checks both cards against your country, KYC level and must-have features.
Limits, wallets and card types
KAST publishes ATM withdrawals of up to $750 a day.
ether.fi Cash publishes ATM withdrawals of up to $5,000 a day.
KAST works with Apple Pay and Google Pay, and ether.fi Cash works with Apple Pay and Google Pay. KAST issues a virtual card you can use straight away.
Custody and safety
KAST scores 44/100. Licensing: we could not confirm a licence for the card issuer on its own website. No incidents or enforcement actions found in the last 36 months. KAST's terms say accounts, cards and custody are provided by licensed partners and the card is issued "by the Issuer under license from Visa", without naming the issuer.
ether.fi Cash scores 60/100. Licensing: we could not confirm a licence for the card issuer on its own website. No incidents or enforcement actions found in the last 36 months. ether.fi describes Cash as a non-custodial account. Some fees, including the FX margin and the ATM fee on Core, are not published as fixed figures.
Full reports: KAST safety check and ether.fi Cash safety check.
About each card
KAST Card is a custodial Visa card from KAST. It tops up with USDT and USDC.
ether.fi Cash Card is a self-custody Visa card from ether.fi. It tops up with USDC and ETH.
Which card fits you
KAST fits if
- You spend in foreign currencies often, since its FX markup is lower.
- Most of your spending is in your home currency, where its lower conversion fee counts most.
ether.fi Cash fits if
- You want to keep crypto in your own wallet until each payment.
- You want a higher cashback ceiling (up to 4%).
- You weigh licensing and fund segregation heavily, since it scores higher on our safety check.
Read more: KAST fees and details · ether.fi Cash fees and details