Head to head
Kast vs Bitget Wallet
Both cards run on the same benchmark test, so this compares deducted cost rather than advertised rates.
| Metric | Ka Kast | Bi Bitget Wallet |
|---|---|---|
| Overall rank | #7 of 8 | #3 of 8 |
| Gross FX spread | 7.93% | 0.51% |
| Net cost on test | $1.60, expensive on small tickets | ~$1.47, a perfect mid-market rate |
| Base cashback | 1.5%, locked for 14 days | Full FX fee refunded as cashback |
| Custody | Custodial | Non-Custodial |
| Virtual card | $2 | Free |
| Physical card | ~$40 + delivery | $49 processing & shipping |
| Spend limit | Unlimited daily purchases | $5,000 daily / $100,000 yearly |
| ATM withdrawals | $3 flat + 2% of the withdrawal | No ATM or over-the-counter cash withdrawals |
| Setup time | ~10 minutes | ~10 minutes |
| KYC steps | 6 | 5 |
| Score | 6.3/10 | 8.8/10 |
Kast
Kast works if you spend heavily in USD or move large amounts on Solana. For daily small-ticket ZAR spending, coffee, groceries, the flat low-transaction fee makes it one of the most expensive cards you could use in South Africa.
Bitget Wallet
Factor in the $0.02 guaranteed cashback and your net effective cost drops to exactly $1.47. Bitget Wallet essentially subsidises the entire Mastercard network fee, giving you a mathematically perfect mid-market exchange rate.
Who ranks these cards
I'm Tristyn Pawson, founder of ConsistenC.xyz. Over the last five years I've worked on marketing, development and growth across five crypto cards and neobanks, building at least three of them from scratch.
Alongside that I've run in-depth research on 20+ crypto banks to understand what actually makes someone keep a card in their wallet. These rankings reflect that: which problems are tolerable, and which ones are genuine deal breakers.
- Years in market
- 5
- Cards built on
- 5
- Neobanks researched
- 20+