Reward Structures
Most crypto cards offer rewards in the form of Bitcoin, Ethereum, or other altcoins. Look for the percentage of rewards—often ranging from 1% to 5% depending on the card tier. Some cards offer a flat rate on all purchases, while others provide tiered rewards for specific spending categories like dining, groceries, or gas.
Custodial vs. Non-Custodial Integration
Consider how the card manages your assets. Some cards connect directly to a centralized exchange (like Coinbase or Gemini), which is user-friendly but requires you to trust the platform with your private keys. Others may offer more decentralized features, but these can sometimes come with higher technical hurdles.
Fiat Off-ramps
A high-quality card allows you to move money between your crypto assets and traditional currency seamlessly. Check if the card allows you to "top up" your card balance using fiat currency from a bank account, which is often more tax-efficient than selling your crypto assets for every transaction.
Security Features
Because you are dealing with digital assets, security is paramount. Look for cards that offer multi-factor authentication (MFA), the ability to instantly freeze your card via an app, and robust insurance policies on the assets held by the issuer.