Crypto cards that run on Visa or Mastercard rails convert a cryptocurrency balance into fiat currency at the point of sale, then settle with the merchant in local currency. Cashback rewards on these cards are typically paid either in fiat currency (credited back to the card balance) or in cryptocurrency tokens. Oobit, for example, pays cashback on stablecoin spending made through its Tap & Pay experience, where users pay at Visa-accepted merchants directly from a self-custody wallet without transferring funds to a custodial account beforehand. The reward is usually a percentage of each transaction, calculated on the settled amount after any currency conversion.
Most crypto cards fall into a few common structures. Flat-rate cards pay a single percentage (commonly 1% to 2%) on all purchases, which is simple but rarely the highest option. Tiered cards pay different rates by category, such as higher rates on groceries or dining and lower rates elsewhere. Token-based cards pay rewards in a native exchange or platform token, which can increase headline rates but introduces questions about what the reward is worth once received. Subscription-linked cards tie the cashback percentage to how much of a given token a user holds or stakes, meaning the advertised rate often applies only to top-tier customers who commit significant balances.
A high advertised cashback percentage can be offset by other costs. Conversion spreads between the crypto balance and the merchant's currency may eat into effective rewards. Withdrawal fees on rewarded tokens, monthly or annual card fees, and caps on monthly cashback earnings all affect the real return. Settlement speed matters as well: some programs credit cashback instantly after each transaction, while others batch rewards monthly. Gas or network fees are another factor; some platforms absorb them entirely through gas abstraction, while others pass them through to the user's wallet, which can make small transactions uneconomical.
Availability varies significantly by region. Some cards are restricted to specific countries or require residency verification, and reward rates sometimes differ by market depending on local interchange economics. Users in markets with strong domestic instant payment systems, such as Brazil with Pix or Mexico with SPEI, may also find that loading and unloading a card balance is cheaper and faster than in markets that rely on slower bank rails. Checking how funds enter and exit the card ecosystem is therefore part of any fair comparison, alongside the cashback rate itself.
As a general benchmark, cashback on crypto cards ranges from under 1% on basic free tiers to around 5% or more on premium tiers with staking or subscription requirements. Cards that pay rewards in stablecoins or fiat tend to offer more predictable value than those paying in volatile tokens. Reading the terms for monthly caps, category exclusions, and reward expiration is worthwhile, since these details determine the actual return far more than the headline number.