EtherFi vs KAST
As of Oct 16, 2026, EtherFi is available in 85 countries and offers up to 4% cashback; KAST does not disclose where it is available, offers up to 3% cashback and has a tier with no annual fee.
Card terms
| EtherFi | KAST | |
|---|---|---|
| Lowest annual fee | Not disclosed | None |
| Highest cashback | Up to 4% | Up to 3% |
| Base cashback | 3% | 1.5% |
| Lowest FX fee | 0.25% | 2% |
| Availability | 85 countries | Not disclosed |
| Tiers | 4 | 3 |
| Card network | Visa | Visa |
| Card type | Credit | Credit |
| Custody | Self-custodial | Not disclosed |
| Chains | Not disclosed | Arbitrum, Avalanche C-Chain, Base, Bitcoin, BNB Chain, Ethereum, Optimism, Polygon, Solana, Sonic, Stellar, TON, Tron, XRPL |
| Apple Pay | Yes | Yes |
| Google Pay | Yes | Yes |
| Terms verified | Aug 30, 2026 | Aug 30, 2026 |