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Your comparison2 of 4 cards selected
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Tangem Visa Platinum card front
79Overall

Best fit

  • Tangem users funding everyday purchases with supported USDC or USDT.
  • Eligible purchases of $30 or more earning Basic's 1%, up to $100/month.

Before you choose

  • In-store EU/UK purchases earn no cashback, including phone-wallet payments.
  • Plus costs $29.99/month unless you meet a fee-waiver condition.
Read review
KAST K Card card design
84Overall

Best fit

  • USD spending on Standard: 1.5% cashback, capped at $30/month.
  • Using stablecoins for card purchases and local bank payouts.

Before you choose

  • Non-USD purchases add 0.5–1.75% FX; those below $25 also cost $0.10.
  • ATM withdrawals cost $3 + 2%, plus FX when withdrawing non-USD cash.
Read review
2 of 4 cards selected

Fees, rewards & everyday use

Compare the details

01

Scores

Overall Score
Tangem Card: 79
KAST Card: 84
Cashback score
Tangem Card: 74
KAST Card: 75
Travel score
Tangem Card: 64
KAST Card: 93
Funds control score
Tangem Card: 90
KAST Card: 71
Lowest fees score
Tangem Card: 54
KAST Card: 82
Transfers score
Tangem Card: 91
KAST Card: 100
02

Costs

Plan cost
Tangem Card: $0
KAST Card: $0
FX fee
Tangem Card: Not disclosed
KAST Card: 0.5–1.75%
Top-up fee
Tangem Card: Crypto: no provider top-up fee. Bank: Basic ACH $1 / Fedwire $11; Plus free; third-party costs separate
KAST Card: 0%
Card spending fee
Tangem Card: 0%
KAST Card: 0%
ATM fee
Tangem Card: Basic 4%; Plus 2%; operator surcharges separate
KAST Card: $3 + 2%
Virtual card
Tangem Card: $0 for the first virtual card
KAST Card: Free first two
Physical card
Tangem Card: $15.63-$63.45 or free
KAST Card: $0 + $40 shipping
Asset conversion fee
Tangem Card: Not disclosed
KAST Card: 0%
03

Plans & rewards

Entry plan
Tangem Card: Basic
KAST Card: Standard
Base cashback
Tangem Card: 1%
KAST Card: 1.5%
Max cashback
Tangem Card: 2%
KAST Card: 3%
Reward currency
Tangem Card: USDC
KAST Card: USD
Cashback cap · entry plan
Tangem Card: $100 / month
KAST Card: $30 / month
Full-rate spend · entry plan
Tangem Card: Not disclosed
KAST Card: $2,000 / month
Rate after spend cap · entry plan
Tangem Card: Not disclosed
KAST Card: 0%
Top cashback plan
Tangem Card: Plus
KAST Card: Private
Cashback on top plan
Tangem Card: 2% in USDC
KAST Card: 3% in USD
Cashback cap · top plan
Tangem Card: $300 / month
KAST Card: $1,200 / month
Full-rate spend · top plan
Tangem Card: Not disclosed
KAST Card: $40,000 / month
Rate after spend cap · top plan
Tangem Card: Not disclosed
KAST Card: 0%
Top plan price / access
Tangem Card: $360/yr
KAST Card: $10,000/yr
Top plan qualification
Tangem Card: Subscribe to Tangem Pay Plus
KAST Card: Not disclosed
04

Everyday use

Network
Tangem Card: Visa
KAST Card: Visa
Card formats
Tangem Card: Virtual, Physical
KAST Card: Virtual, Physical
ATM withdrawals
Tangem Card: Available
KAST Card: Available
Mobile wallets
Tangem Card: Apple Pay, Google Pay
KAST Card: Apple Pay, Google Pay
Apps
Tangem Card: iOS, Android
KAST Card: iOS, Android
Daily spending limit
Tangem Card: $10,000 / day
KAST Card: No cap
Monthly spending limit
Tangem Card: No current monthly POS amount is published; up to 1,000 POS transactions per month
KAST Card: No cap
ATM limit
Tangem Card: $250 / withdrawal
KAST Card: $1,500 / 24 hours
05

Money in & out

Networks
Tangem Card: Polygon, BNB Smart Chain, Base, Arbitrum
KAST Card: Solana, Ethereum, Tron, Polygon, BNB Chain +8
Stablecoin deposits
Tangem Card: USDC, USDT
KAST Card: USDT, USDC, USDe, PYUSD, RLUSD
Other crypto deposits
Tangem Card: Not disclosed
KAST Card: BTC, ETH, SOL, XRP, AAVE +22
Fiat deposits
Tangem Card: USD ACH deposit, USD Fedwire deposit
KAST Card: USD bank transfer, EU bank transfer, BRL PIX deposit +3
Crypto transfers
Tangem Card: Stablecoin withdrawal to Tangem Wallet
KAST Card: Stablecoin transfers
Internal transfers
Tangem Card: Not disclosed
KAST Card: KAST Tag
Bank transfers
Tangem Card: USD ACH withdrawal, USD Fedwire withdrawal
KAST Card: Global USD SWIFT payout, USD local payout, EUR SEPA payout +1
Payout currencies
Tangem Card: USD, USDC
KAST Card: USD, EUR, AED, SAR, JPY +7
06

Earn

Advertised APY
Tangem Card: Not offered
KAST Card: Up to 7% APY
How it works
Tangem Card: Not offered
KAST Card: Optional earn vault
Separate deposit
Tangem Card: Not offered
KAST Card: Yes
Use balance for spending
Tangem Card: Not offered
KAST Card: No
Lock-up
Tangem Card: Not offered
KAST Card: No
07

Trust & sources

Custody
Tangem Card: Hybrid custody
KAST Card: Custodial
Control until payment
Tangem Card: You keep control
KAST Card: Provider controls funds
Card issuer
Tangem Card: Third National
KAST Card: Third National
Card processing
Tangem Card: Paera LLC
KAST Card: Tazapay
Custody / key management
Tangem Card: Not disclosed
KAST Card: BitGo
Identity verification
Tangem Card: Sumsub
KAST Card: Not disclosed
Programme operator
Tangem Card: Not disclosed
KAST Card: Troia Corp
Official sources
Tangem Card: 20
KAST Card: 20
Last reviewed
Tangem Card: Oct 17, 2026
KAST Card: Oct 14, 2026

Using the comparison

Compare cards FAQ

Can I compare more than two cards on my phone?

Yes. Select up to four cards. On a phone, two cards appear side by side. Tap the left or right card menu to show another selected card; the rest stay in your comparison.

How do I add or replace a card?

Open Change cards, choose two to four cards and apply your selection. The same control stays beside the section menu as you scroll through the table.

Which plan do the cashback figures describe?

Entry-plan and top-plan rewards have separate rows, with the plan name shown for each. A headline maximum can apply to a bonus category rather than every purchase. The info icons beside the figures show their qualifying terms.

What is the difference between the cashback caps?

A cashback cap limits the rewards you earn. A full-rate spend cap limits the purchases earning a particular rate; a lower rate may apply afterwards. A redemption cap limits how much you can redeem. These are separate rows because they measure different things.

Does Not disclosed mean a fee is zero?

No. It means we do not have a published figure for that item. Confirmed zero fees appear as 0% or $0. Tap an info icon for plan, asset or regional conditions attached to a published fee.

Do partner offers influence the scores?

No. Scores and rankings follow our published methodology. Partner links, signup offers and commissions never change those calculations.

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