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61Overall

Best fit

  • Eligible APAC users funding a card with USDC or USDT across five networks.
  • Online and phone-wallet purchases through the Coin98 app's virtual Visa.

Before you choose

  • Virtual issuance costs $9; top-ups and conversion each carry a separate 1% fee.
  • Current SGD terms pay no cashback and charge 1.7% for foreign conversion.
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
Coin98 Fusion Card: 61
KAST Card: 84
Cashback score
Coin98 Fusion Card: 17
KAST Card: 75
Travel score
Coin98 Fusion Card: 65
KAST Card: 93
Funds control score
Coin98 Fusion Card: 64
KAST Card: 71
Lowest fees score
Coin98 Fusion Card: 73
KAST Card: 82
Transfers score
Coin98 Fusion Card: 39
KAST Card: 100
02

Costs

Plan cost
Coin98 Fusion Card: $0
KAST Card: $0
FX fee
Coin98 Fusion Card: 1.7%
KAST Card: 0.5–1.75%
Top-up fee
Coin98 Fusion Card: 1%
KAST Card: 0%
Card spending fee
Coin98 Fusion Card: Not disclosed
KAST Card: 0%
ATM fee
Coin98 Fusion Card: 1% / min SGD 5
KAST Card: $3 + 2%
Virtual card
Coin98 Fusion Card: $9 one-time
KAST Card: Free first two
Physical card
Coin98 Fusion Card: Not applicable while the physical card is under development
KAST Card: $0 + $40 shipping
Asset conversion fee
Coin98 Fusion Card: 1%
KAST Card: 0%
03

Plans & rewards

Entry plan
Coin98 Fusion Card: Not listed
KAST Card: Standard
Base cashback
Coin98 Fusion Card: 0%
KAST Card: 1.5%
Max cashback
Coin98 Fusion Card: 0%
KAST Card: 3%
Reward currency
Coin98 Fusion Card: Not disclosed
KAST Card: USD
Cashback cap · entry plan
Coin98 Fusion Card: Not disclosed
KAST Card: $30 / month
Full-rate spend · entry plan
Coin98 Fusion Card: Not disclosed
KAST Card: $2,000 / month
Rate after spend cap · entry plan
Coin98 Fusion Card: Not disclosed
KAST Card: 0%
Top cashback plan
Coin98 Fusion Card: Not disclosed
KAST Card: Private
Cashback on top plan
Coin98 Fusion Card: Not disclosed
KAST Card: 3% in USD
Cashback cap · top plan
Coin98 Fusion Card: Not disclosed
KAST Card: $1,200 / month
Full-rate spend · top plan
Coin98 Fusion Card: Not disclosed
KAST Card: $40,000 / month
Rate after spend cap · top plan
Coin98 Fusion Card: Not disclosed
KAST Card: 0%
Top plan price / access
Coin98 Fusion Card: Not disclosed
KAST Card: $10,000/yr
04

Everyday use

Network
Coin98 Fusion Card: Visa
KAST Card: Visa
Card formats
Coin98 Fusion Card: Virtual
KAST Card: Virtual, Physical
ATM withdrawals
Coin98 Fusion Card: Available
KAST Card: Available
Mobile wallets
Coin98 Fusion Card: Apple Pay, Google Pay
KAST Card: Apple Pay, Google Pay
Apps
Coin98 Fusion Card: iOS, Android
KAST Card: iOS, Android
Daily spending limit
Coin98 Fusion Card: No daily card-spend limit published; SGD 200,000 rolling 12-month spending limit
KAST Card: No cap
Monthly spending limit
Coin98 Fusion Card: No monthly card-spend limit published; SGD 200,000 rolling 12-month spending limit
KAST Card: No cap
ATM limit
Coin98 Fusion Card: SGD 10,000 per day and SGD 100,000 per month; per-transaction cap unknown
KAST Card: $1,500 / 24 hours
05

Money in & out

Networks
Coin98 Fusion Card: Ethereum, Solana, Polygon, Base, Tron
KAST Card: Solana, Ethereum, Tron, Polygon, BNB Chain +8
Stablecoin deposits
Coin98 Fusion Card: USDC, USDT
KAST Card: USDT, USDC, USDe, PYUSD, RLUSD
Other crypto deposits
Coin98 Fusion Card: Not disclosed
KAST Card: BTC, ETH, SOL, XRP, AAVE +22
Fiat deposits
Coin98 Fusion Card: Not disclosed
KAST Card: USD bank transfer, EU bank transfer, BRL PIX deposit +3
Crypto transfers
Coin98 Fusion Card: Not disclosed
KAST Card: Stablecoin transfers
Internal transfers
Coin98 Fusion Card: Not disclosed
KAST Card: KAST Tag
Bank transfers
Coin98 Fusion Card: Not disclosed
KAST Card: Global USD SWIFT payout, USD local payout, EUR SEPA payout +1
Payout currencies
Coin98 Fusion Card: Not disclosed
KAST Card: USD, EUR, AED, SAR, JPY +7
06

Earn

Advertised APY
Coin98 Fusion Card: Not offered
KAST Card: Up to 7% APY
How it works
Coin98 Fusion Card: Not offered
KAST Card: Optional earn vault
Separate deposit
Coin98 Fusion Card: Not offered
KAST Card: Yes
Use balance for spending
Coin98 Fusion Card: Not offered
KAST Card: No
Lock-up
Coin98 Fusion Card: Not offered
KAST Card: No
07

Trust & sources

Custody
Coin98 Fusion Card: Hybrid custody
KAST Card: Custodial
Control until payment
Coin98 Fusion Card: Provider controls funds
KAST Card: Provider controls funds
Card issuer
Coin98 Fusion Card: DCS Card Centre Pte. Ltd.
KAST Card: Third National
Card processing
Coin98 Fusion Card: Not disclosed
KAST Card: Tazapay
Custody / key management
Coin98 Fusion Card: Not disclosed
KAST Card: BitGo
Programme operator
Coin98 Fusion Card: Not disclosed
KAST Card: Troia Corp
Official sources
Coin98 Fusion Card: 23
KAST Card: 20
Last reviewed
Coin98 Fusion Card: Aug 5, 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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