Crypto cards: custody, spending permissions, and borrowing
Find out whether a card spends your balance or creates debt, who controls the assets, and what happens when collateral falls.
CL
CryptoLVEditorial team
·3 min read
Review and sources
Reviewed 2026-10-07 by CryptoLV Editorial. Next review: 2026-11-07.
- MetaMask Card security and privacy opens in a new tab
Supports: MetaMask describes its card as self-custodial, explains token spending permissions and caps, and identifies the card provider's separate KYC role.
- MetaMask Card funding guide opens in a new tab
Supports: Supported spending networks, token approvals, revocable spending limits, transaction gas and conversion from accessible tokens.
- Nexo Card opens in a new tab
Supports: Nexo's current product page distinguishes Debit Mode spending from Credit Mode backed by crypto collateral and describes flexible repayment.
- Nexo Credit Line opens in a new tab
Supports: Nexo explains loan-to-value changes, repayment, collateral access and automatic repayment mechanics for its credit line; these details do not establish terms for another card or jurisdiction.
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