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Choose 2–4 cards to compare fees, rewards and everyday use.

Payy Card
KAST Card

Compare the details

Best known Not disclosed

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01

Scores

Overall Score
Payy Card
62
KAST Card
84
Cashback score
Payy Card
17
KAST Card
75
Travel score
Payy Card
27
KAST Card
93
Funds control score
Payy Card
97
KAST Card
71
Lowest fees score
Payy Card
57
KAST Card
82
Transfers score
Payy Card
68
KAST Card
100
02

Choosing a card

Best fit
Payy Card
  • Spending self-custodied USDC from Payy Wallet through a virtual Visa.
  • Using Payy Network's private settlement for wallet-funded card purchases.
KAST Card
  • USD spending on Standard: 1.5% cashback, capped at $30/month.
  • Using stablecoins for card purchases and local bank payouts.
Before you choose
Payy Card
  • Foreign-currency purchases carry a combined 1–3% conversion charge.
  • There is no purchase cashback; Payy Points have no monetary value.
KAST Card
  • 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.
03

Costs

Plan cost
Payy Card
$0
KAST Card
$0
FX fee
Payy Card
1–3%
KAST Card
0.5–1.75%
Top-up fee
Payy Card
0%
KAST Card
0%
Card spending fee
Payy Card
0%
KAST Card
0%
ATM fee
Payy Card
Not available
KAST Card
$3 + 2%
Virtual card
Payy Card
Free; instant after KYC
KAST Card
Free first two
Physical card
Payy Card
Not disclosed
KAST Card
Free; $40 shipping
04

Plans

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

Everyday use

Network
Payy Card
Visa/Other network
KAST Card
Visa
Card formats
Payy Card
Virtual
KAST Card
Virtual, Physical
ATM withdrawals
Payy Card
Not available
KAST Card
Available
Mobile wallets
Payy Card
Apple Pay, Google Pay
KAST Card
Apple Pay, Google Pay
Apps
Payy Card
iOS, Android
KAST Card
iOS, Android
Daily spending limit
Payy Card
Not disclosed
KAST Card
No cap
Monthly spending limit
Payy Card
Not disclosed
KAST Card
No cap
ATM limit
Payy Card
Not disclosed
KAST Card
$500 per withdrawal; up to three withdrawals or $1,500 per 24 hours
06

Funding & transfers

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

Rewards

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

Earn

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

Trust & availability

Custody
Payy Card
Self-custody
KAST Card
Custodial
Control until payment
Payy Card
You keep control
KAST Card
Provider controls funds
Card issuer
Payy Card
Third National / Rain
KAST Card
Third National
Card processing
Payy Card
Rain
KAST Card
Tazapay
Custody / key management
Payy Card
Not disclosed
KAST Card
BitGo
Programme operator
Payy Card
Not disclosed
KAST Card
Troia Corp
10

Sources

Official sources
Payy Card
5
KAST Card
20
Last reviewed
Payy Card
Aug 5, 2026
KAST Card
Oct 14, 2026