Payments
Kolo Review: Non-Custodial Card and Swap Fee
Kolo is a non-custodial card wallet from Hardline Holding. The site markets 2% Bitcoin cashback and a 0% stablecoin markup, plus a 1% swap fee.
Karta.io Review: Visa Signature Crypto Card
Karta.io is a self-custody Visa Signature card, separate from Conkarta. A virtual card is 5 USDT, and card payments cost 1.5%.
COCA Review: Tiered Card Cashback and Caps
COCA is a card wallet with six token tiers. Help-center cashback runs from 1% to 8%, while issuer documents disagree on Visa versus Mastercard.
Avici Review: Secured USDC Visa Card Fees
Avici is a self-custodial secured Visa card funded with USDC escrow. Avici lists a 0% forex markup, with card fees set by Platinum or Signature.
Ethena Pay Review: Cashback Bands and Boost
Ethena Pay is a secured spend card with cashback in AVAX. Standard starts at 4% on the first $2,500 a month, and the balance boost is capped by tier.
Abound Review: US-to-India Limits, Fees, and Rails
Abound lists a $9,500 per-transfer cap on US-to-India sends. Partner fees and any spread are shown before authorization.
Holyheld Review: Non-Custodial Mastercard for Europe
Holyheld is a non-custodial crypto card and IBAN for Europe, allowing users to spend directly from private wallets while maintaining control of their keys.