KAST vs Wirex One Card
Crypto native
Crypto native
Verdict
- Wirex One Card scores higher overall (7.0 vs 6.0 out of 10).
- KAST is clearly stronger on: Credit & financing.
- Wirex One Card is clearly stronger on: FX & international, Limits & ATM, Transparency.
- For 1,500 EUR/month of spend, KAST comes out about 61 EUR a year ahead on base-tier terms.
KAST is a good fit for
- Stablecoin holders
- Users who need credit rather than a debit/prepaid card
Stronger on: Credit & financing
Wirex One Card is a good fit for
- Stablecoin holders
- Frequent travellers
Stronger on: FX & international, Limits & ATM, Transparency
★ Our pickEditorial choice · score unchanged · Affiliate link
Neither card is our pick. The card we recommend instead:
Crypto native · ether.fi
Why we recommend it
- 3% cashback in ETHFI on up to $2,000 of spend a monthConditions apply
- 5.35% variable interest on your balanceConditions apply
- No annual or monthly fee on the base tierConditions apply
- Extras on the base tier: airport lounge access, travel / rental car insurance, purchase protectionConditions apply
- Self-custody: funds stay in your own walletConditions apply
Conditions apply; the review lists them with sources.
Score by criterion
| Criterion | KAST | Wirex One Card |
|---|---|---|
| Fees | 99 | 100 |
| Cashback & rewards | 35 | 44 |
| Availability | – | – |
| FX & international | 30 | 100 |
| Product features | 70 | 70 |
| Custody & security | 60 | – |
| Credit & financing | 70 | 30 |
| Limits & ATM | 33 | 100 |
| Transparency | 86 | 100 |
| Best for Cashback | 5.2 | 6.3 |
| Best for Travel | 5.0 | 8.6 |
| Best for DeFi Users | 6.3 | 6.0 |
| Best for Stablecoins | 6.3 | 7.8 |
| Best for High Spenders | 5.2 | 6.9 |
| Best for Low Fees | 7.0 | 10.0 |
| Best for Beginners | 7.2 | 7.4 |
| Best Crypto Credit Card | 7.0 | n/a |
Conditions apply, e.g. only for the base tier, up to a monthly cap or in some countries. Tap a value with * (or hover over it) to see them.
Product
Product status
ActiveShow source
ActiveShow source
Card type
Stablecoin cardShow source
Debit cardShow source
Network
VisaShow source
Visa / MastercardConditions apply: tap or hover for detailsShow source
Physical card Visa or Mastercard; metal card Visa Signature
Custody model
CustodialConditions apply: tap or hover for detailsShow source
Deposited assets are sold to KAST and held by a custodian on behalf of KAST, not the user
Tiers / plans
Standard · Premium · PrivateConditions apply: tap or hover for detailsShow source
Account-level memberships replacing card tiers (announced May 5, 2026)
Base · Premium · Elite · Private · BespokeShow source
Fees
Annual fee
FreeConditions apply: tap or hover for detailsShow source
Standard membership; Premium $1,000/yr, Private $10,000/yr
FreeShow source
Monthly fee
FreeShow source
Physical card fee
$40Conditions apply: tap or hover for detailsShow source
Delivery fee; the Standard physical card itself is free
Virtual card fee
$2Conditions apply: tap or hover for detailsShow source
Certain markets only, Standard tier
FX fee
1.75%Conditions apply: tap or hover for detailsShow source
Up to; 0.5%–1.75% on non-USD card spend depending on membership
0%Show source
ATM fee
$3 + 2%Conditions apply: tap or hover for detailsShow source
Plus FX fee on non-USD ATMs; operators may add charges
FreeConditions apply: tap or hover for detailsShow source
Wirex fee; operator fees not addressed
Small transaction fee
$0.10Conditions apply: tap or hover for detailsShow source
Non-USD transactions under $25
Other fees & markups
Monthly inactivity fee of $1 on dormant accounts (12 months without transaction activity) · Possible reactivation fee after 6 months of inactivity · Possible card renewal fee (specified in app) · Non-refundable chargeback/dispute processing feesShow source
Cashback & rewards
Base cashback
1.5%Conditions apply: tap or hover for detailsShow source
Standard membership, first $2,000 of spend per month
0.5%Conditions apply: tap or hover for detailsShow source
Base tier
Max cashback
3%Conditions apply: tap or hover for detailsShow source
Private membership ($10,000/yr), first $40,000 per month; plus 2% in KAST Points
8%Conditions apply: tap or hover for detailsShow source
Top tier; tier set by portfolio size and share held in WPAY
Cashback paid in
USDShow source
USDShow source
Cashback type
FiatShow source
Interest on balance
9.75%Conditions apply: tap or hover for detailsShow source
Up to; stablecoin savings, flexible or fixed terms
Cashback-eligible spend cap
$2,000/monthConditions apply: tap or hover for detailsShow source
Standard; Premium $10,000, Private $40,000 per month
Cashback conditions
Premium adds 1% and Private 2% in KAST Points on all spend · Subject to eligibility, caps and regional availabilityShow source
Tier recalculated daily from portfolio size and percentage held in WPAY; both thresholds must be met · No monthly cashback cap · 50% rebate on eligible subscriptions, capped at each service's standard plan priceShow source
Staking / holding required for top rewards
YesConditions apply: tap or hover for detailsShow source
Holding (not locking) WPAY and a minimum portfolio for higher tiers
Staking asset
WPAYShow source
Reward expiry / vesting
Accrued unused benefits/rewards are forfeited when the membership expires or is terminatedShow source
Reward exclusions
Some merchant categories excludedShow source
Credit & financing
Credit line
YesConditions apply: tap or hover for detailsShow source
Card described as a credit card secured by deposited virtual assets
NoShow source
Features
Apple Pay
YesConditions apply: tap or hover for detailsShow source
Region-dependent
YesShow source
Google Pay
YesConditions apply: tap or hover for detailsShow source
Region-dependent
YesShow source
Physical card
YesShow source
YesShow source
Virtual card
YesShow source
YesShow source
ATM withdrawals
YesShow source
YesShow source
Spend stablecoins
YesShow source
YesShow source
Spendable assets
USDT · USDCConditions apply: tap or hover for detailsShow source
Acceptable Tokens for deposit
Blockchains
Ethereum · Solana · Polygon · Arbitrum · TRONConditions apply: tap or hover for detailsShow source
Deposit networks for USDT/USDC; list not exhaustive, varies by coin
Limits
ATM limit
$750Conditions apply: tap or hover for detailsShow source
$250 per withdrawal incl. fees, max 3 withdrawals per rolling 24h
Security & custody
Deposit protection
NoShow source
Annual cost at 1,500 EUR/month
KAST
- Annual & monthly fees+0 EUR
- FX costs−63 EUR
- Crypto conversion–
- ATM costs−56 EUR
- Cashback+270 EUR
- Net annual value151 EUR
Wirex One Card
- Annual & monthly fees+0 EUR
- FX costs+0 EUR
- Crypto conversion–
- ATM costs+0 EUR
- Cashback+90 EUR
- Net annual value90 EUR
Assumes 300 EUR foreign spend and 100 EUR ATM per month, base tier only. Use your own numbers