Crypto cashback is a rewards mechanism in which a percentage of each purchase amount is returned to the buyer in the form of cryptocurrency rather than fiat currency. Instead of receiving points, airline miles, or traditional cash deposits, the cardholder accumulates digital assets such as BTC, ETH, USDT, or native platform tokens with every transaction. The structure mirrors conventional cashback programs: a merchant pays an interchange fee to the payment network, and a portion of that fee is passed back to the spender as an incentive to route spending through a particular card or app.
Platforms like Oobit apply this model to stablecoin spending, letting users hold assets like USDT or USDC in a self-custody wallet and pay at Visa merchants worldwide while earning rewards on those purchases. Because stablecoins settle at par value, rewards denominated in them behave predictably, closer to traditional cashback than to volatile token-based rewards.
Under the hood, crypto cashback relies on the same interchange economics as any card program. When a user pays at a merchant, the acquirer and card network collect a fee on the transaction, typically between 1% and 3%. The rewards platform keeps a margin and returns a disclosed percentage, often 1% to 5% depending on the category, to the user. Some programs vary rates by merchant type: groceries, dining, travel, or subscription services may each carry a different reward tier.
Several structures exist in the market:
Rewards are typically credited automatically after settlement, either instantly at the point of sale or accumulated daily and batched into a weekly payout. The important distinction from bank-issued cashback is custody: rewards land directly in the user's own wallet rather than in a bank account balance held by a third party.
Everyday categories are the dominant use case. Spending pattern data from crypto payment platforms consistently shows that purchases concentrate in routine areas: groceries, restaurants, fast food, fuel, and department stores. A rewards program that returns even 1% on these recurring categories compounds meaningfully over a year, because the spending volume is high even when individual transactions are small.
For users in markets with high crypto adoption, such as Brazil, Nigeria, or the Philippines, the appeal is twofold. First, rewards arrive in an asset that can be held, sent to a bank account, or spent again without conversion friction. Second, the underlying payment already settles over instant local rails such as PIX, INSTAPAY, or NIP, so the cashback is a layer on top of an already fast settlement flow rather than a consolation for slow transfers.
When comparing crypto cashback offerings, the practical variables are: the reward percentage and its merchant categories, the asset in which rewards are paid, when rewards are credited, whether network fees reduce the payout, and whether the program requires custody of funds or preserves self-custody. Programs that settle rewards directly to a user-controlled wallet, and that disclose the exact conversion and fee structure at checkout, tend to offer the clearest value proposition for everyday spenders.
Users in Spain can try this spending flow via the App Store at https://apps.apple.com/es/app/oobit-pay-with-crypto-card/id1598882898, or on Android at https://play.google.com/store/apps/details?id=com.oobit&hl=es.