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-custodyLow FXTravel focusUS available
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
Avici CardOverall71
KAST CardOverall84
Special offer
Avici Card
No active offer
KAST Card
20% off20% off your first subscription
01

Scores

6 fields
Overall Score
Avici Card
71
KAST Card
84
Cashback score
Avici Card
21
KAST Card
75
Travel score
Avici Card
82
KAST Card
92
Funds control score
Avici Card
95
KAST Card
71
Lowest fees score
Avici Card
73
KAST Card
81
Transfers score
Avici Card
67
KAST Card
100
02

Strengths & trade-offs

2 fields
Strengths
Avici Card
User-owned USDC collateral, Physical, virtual and phone-wallet use
KAST Card
Transfers span crypto, Tag and bank payouts, Physical, virtual and phone-wallet card access
Trade-offs
Avici Card
No standard purchase cashback, Visa and penalty layers need care
KAST Card
Non-USD FX can exceed entry cashback, ATM use adds two charges
03

Costs

7 fields
Plan cost
Avici Card
$0
KAST Card
$0
FX fee
Avici Card
0–1%
KAST Card
0.5–1.75%
Top-up fee
Avici Card
$0 Avici card top-up fee; swap and network execution costs are separate and not fully published
KAST Card
0%
Card spending fee
Avici Card
0%
KAST Card
0%
ATM fee
Avici Card
0–0.65%
KAST Card
$3 + 2%
Virtual card
Avici Card
Platinum $15 first / $10 extra; Signature $30 first year / $20 renewal
KAST Card
Free first two
Physical card
Avici Card
Platinum $50; Signature $75 + $20/year from year two
KAST Card
Free; $40 shipping
04

Plans

2 fields
Available plans
Avici Card
2 plans: Visa Platinum, Visa Signature
KAST Card
3 plans: Standard, Premium, Private
Top cashback plan
Avici Card
Visa Platinum: 0%
KAST Card
Private: 3%
05

Everyday use

8 fields
Network
Avici Card
Visa
KAST Card
Visa
Card formats
Avici Card
Virtual, Physical
KAST Card
Virtual, Physical
ATM withdrawals
Avici Card
Available
KAST Card
Available
Mobile wallets
Avici Card
Apple Pay, Google Pay
KAST Card
Apple Pay, Google Pay
Apps
Avici Card
iOS, Android
KAST Card
iOS, Android
Daily spending limit
Avici Card
No fixed public transaction cap; balance, issuer and user-set limits apply
KAST Card
No cap
Monthly spending limit
Avici Card
No fixed public monthly cap; dynamic controls apply
KAST Card
No cap
ATM limit
Avici Card
$250 per day, up to 3 ATM transactions
KAST Card
Limits shown in app
06

Funding & transfers

5 fields
Networks
Avici Card
Ethereum, Polygon, Optimism, Arbitrum, Solana
KAST Card
Solana, Ethereum, Tron, Polygon, BNB Chain, Arbitrum +7
Crypto deposits
Avici Card
Stablecoins: USDC
KAST Card
Stablecoins: USDT, USDC, USDe, PYUSD, RLUSD; Other crypto: BTC, ETH, SOL, XRP, AAVE +22
Fiat deposits
Avici Card
Not disclosed
KAST Card
USD bank transfer, EU bank transfer, BRL PIX deposit, MXN SPEI deposit +2
Transfers
Avici Card
Stablecoin transfers
KAST Card
Stablecoin transfers; KAST Tag; Global USD SWIFT payout, USD local payout, EUR SEPA payout, Other local currency payouts
Payout currencies
Avici Card
Not disclosed
KAST Card
USD, EUR, AED, SAR, JPY, INR, PHP, THB +4
07

Rewards

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

Earn

5 fields
Advertised APY
Avici Card
Not offered
KAST Card
Up to 7% APY
How it works
Avici Card
Not offered
KAST Card
Optional earn vault
Separate deposit
Avici Card
Not offered
KAST Card
Yes
Use balance for spending
Avici Card
Not offered
KAST Card
No
Lock-up
Avici Card
Not offered
KAST Card
No
09

Trust & availability

7 fields
Custody
Avici Card
Self-custody
KAST Card
Custodial
Control until payment
Avici Card
You keep control
KAST Card
Provider controls funds
Card issuer
Avici Card
Third National
KAST Card
Third National
Card processing
Avici Card
Relay
KAST Card
Tazapay
Custody / key management
Avici Card
Not disclosed
KAST Card
BitGo
Identity verification
Avici Card
Sumsub
KAST Card
Not disclosed
Programme operator
Avici Card
Not disclosed
KAST Card
Troia Corp
10

Sources

2 fields
Official sources
Avici Card
16
KAST Card
20
Last reviewed
Avici Card
Aug 21, 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