Cypher Card vs KAST Card

Both cards target UK and EU residents. Here's the side-by-side on fees, cashback, and where each is available — verified May 2026.

Cypher Card
KAST Card
Provider
Cypher HQ (Y Combinator + Coinbase Ventures backed)
KAST (Troia Corp)
Network
Visa
Visa
Funding model
Self-custodial — funds stay in your wallet until spent
Pre-funded debit (you load crypto/stablecoins to spend)
Cashback
Up to 35% in CYPR (realistic ~2%)
Up to 2% in KAST Points (realistic ~1.5%)
Issuance fee
$0
$0
Monthly fee
$0
$0
FX markup
1.75%
1.125%
ATM fee
3%
2%
Available in
United States, United Kingdom, European Economic Area, Latin America, Asia-Pacific, and Middle East & Africa
United States, United Kingdom, European Economic Area, Canada, Latin America, Asia-Pacific, and Middle East & Africa
Settlement currency
USD
USD

The verdict

Cypher Card is self-custodial — your funds stay in your wallet — while KAST Card holds your balance.

About Cypher Card

Cypher Card is a Visa debit card issued by Cypher HQ (Y Combinator + Coinbase Ventures backed), available to residents of United States, United Kingdom, European Economic Area, Latin America, Asia-Pacific, and Middle East & Africa. It is a self-custodial card — your funds remain in your wallet until each transaction is authorised. Cashback is Up to 35% in CYPR (realistic ~2%).

Full Cypher Card review →

About KAST Card

KAST Card is a Visa debit card issued by KAST (Troia Corp), available to residents of United States, United Kingdom, European Economic Area, Canada, Latin America, Asia-Pacific, and Middle East & Africa. It is a pre-funded debit card — you top up your card balance with crypto or stablecoins before spending. Cashback is Up to 2% in KAST Points (realistic ~1.5%).

Full KAST Card review →

Last verified May 2026. How we collect this data · Affiliate links and direct links are presented equally.