Card comparison

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Compare fees, rewards, everyday use, money movement and custody from the same reviewed profiles used across the catalog. Missing data stays visible instead of becoming an advantage.

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02 · Read the shortlist

Start with scores and key trade-offs

Each summary uses the same profile and Overall Score as the catalog. Open a score to see its seven fixed category ratings.

2 cards in view
Self-custodyUS availableCrypto-nativeETH deposits
Cashback
0%
Plan cost
$0
Custody
Self Custody
Network
Visa
View detailsSelected
Metal cardNo CEXClear feesTiered rewards
Cashback
1.5%-3%
Plan cost
$0
Custody
Custodial
Network
Visa
View detailsSelected

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03 · Compare the evidence

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Best known Not disclosed
Cards
Exa CardOverall66
KAST CardOverall84
Special offer
Exa Card
No active offer
KAST Card
20% off20% off your first subscription
01

Scores

6 fields
Overall Score
Exa Card
66
KAST Card
84
Cashback score
Exa Card
19
KAST Card
75
Travel score
Exa Card
61
KAST Card
92
Funds control score
Exa Card
88
KAST Card
71
Lowest fees score
Exa Card
67
KAST Card
81
Transfers score
Exa Card
97
KAST Card
100
02

Strengths & trade-offs

2 fields
Strengths
Exa Card
Deposited assets can earn yield, Spend balance or borrow USDC
KAST Card
Transfers span crypto, Tag and bank payouts, Physical, virtual and phone-wallet card access
Trade-offs
Exa Card
Heavy Exactly Protocol dependency, Pay Later needs DeFi literacy
KAST Card
Non-USD FX can exceed entry cashback, ATM use adds two charges
03

Costs

7 fields
Plan cost
Exa Card
$0
KAST Card
$0
FX fee
Exa Card
1.5%
KAST Card
0.5–1.75%
Top-up fee
Exa Card
1%
KAST Card
0%
Card spending fee
Exa Card
Not disclosed
KAST Card
0%
ATM fee
Exa Card
$1 + 0.65%
KAST Card
$3 + 2%
Virtual card
Exa Card
Free with Exa Wallet
KAST Card
Free first two
Physical card
Exa Card
Not available
KAST Card
Free; $40 shipping
04

Plans

2 fields
Available plans
Exa Card
Not disclosed
KAST Card
3 plans: Standard, Premium, Private
Top cashback plan
Exa Card
Not disclosed
KAST Card
Private: 3%
05

Everyday use

8 fields
Network
Exa Card
Visa
KAST Card
Visa
Card formats
Exa Card
Virtual
KAST Card
Virtual, Physical
ATM withdrawals
Exa Card
Available
KAST Card
Available
Mobile wallets
Exa Card
Apple Pay, Google Pay
KAST Card
Apple Pay, Google Pay
Apps
Exa Card
iOS, Android, Web
KAST Card
iOS, Android
Daily spending limit
Exa Card
Dynamic / collateral-based; exact Exa App limit shown in app
KAST Card
No cap
Monthly spending limit
Exa Card
Dynamic / collateral-based; exact Exa App limit shown in app
KAST Card
No cap
ATM limit
Exa Card
$250/withdrawal; $1000/day
KAST Card
Limits shown in app
06

Funding & transfers

5 fields
Networks
Exa Card
Optimism
KAST Card
Solana, Ethereum, Tron, Polygon, BNB Chain, Arbitrum +7
Crypto deposits
Exa Card
Stablecoins: USDC; Other crypto: ETH, OP, WBTC, wstETH
KAST Card
Stablecoins: USDT, USDC, USDe, PYUSD, RLUSD; Other crypto: BTC, ETH, SOL, XRP, AAVE +22
Fiat deposits
Exa Card
USD ACH deposit, USD wire deposit, EUR SEPA deposit, Local currency deposit
KAST Card
USD bank transfer, EU bank transfer, BRL PIX deposit, MXN SPEI deposit +2
Transfers
Exa Card
Stablecoin transfers; USD ACH bank payout, USD domestic wire payout, EUR SEPA bank payout
KAST Card
Stablecoin transfers; KAST Tag; Global USD SWIFT payout, USD local payout, EUR SEPA payout, Other local currency payouts
Payout currencies
Exa Card
USD, EUR
KAST Card
USD, EUR, AED, SAR, JPY, INR, PHP, THB +4
07

Rewards

3 fields
Base cashback
Exa Card
0%
KAST Card
1.5%
Max cashback
Exa Card
0%
KAST Card
3%
Reward currency
Exa Card
No cashback
KAST Card
USD cashback
08

Earn

5 fields
Advertised APY
Exa Card
Up to 0.99776% APY
KAST Card
Up to 7% APY
How it works
Exa Card
Earn on spending balance, Borrow against collateral
KAST Card
Optional earn vault
Separate deposit
Exa Card
No
KAST Card
Yes
Use balance for spending
Exa Card
Yes
KAST Card
No
Lock-up
Exa Card
No
KAST Card
No
09

Trust & availability

7 fields
Custody
Exa Card
Self-custody
KAST Card
Custodial
Control until payment
Exa Card
You keep control
KAST Card
Provider controls funds
Card issuer
Exa Card
Third National Bank, Third National
KAST Card
Third National
Card processing
Exa Card
Exa Labs SAS
KAST Card
Tazapay
Custody / key management
Exa Card
Not disclosed
KAST Card
BitGo
Deposits & withdrawals
Exa Card
Bridge, Manteca
KAST Card
Not disclosed
Programme operator
Exa Card
Exa Labs SAS
KAST Card
Troia Corp
10

Sources

2 fields
Official sources
Exa Card
31
KAST Card
20
Last reviewed
Exa Card
Aug 23, 2026
KAST Card
Aug 28, 2026

Use the comparison

Choose the trade-offs you can live with

Scores create a useful starting point. The guides explain the money flow, costs and reward conditions behind the rows.

Compare Crypto Cards: Fees, Rewards, Custody & Availability