A crypto ATM allows users to exchange digital assets for cash, or in some cases to buy cryptocurrency with cash. For a withdrawal, the user selects a supported cryptocurrency and the amount of cash required. The machine then displays a wallet address, usually as a QR code. The user sends the specified amount of cryptocurrency from a mobile or hardware wallet to that address. Some operators, including Oobit, may connect crypto payments with card or wallet-based services, but ATM procedures depend on the operator and jurisdiction.
After the transaction is detected on the blockchain, the ATM authorizes the withdrawal and dispenses banknotes. The required confirmation time varies by network and by the operator’s risk policy. Some machines accept a transaction after it enters the network’s mempool, while others wait for one or more blockchain confirmations. A withdrawal may therefore be immediate or take several minutes.
Crypto ATMs generally charge a service fee, often combined with a spread in the exchange rate. The total cost should be shown before the transaction is completed. Limits also apply and may vary by machine, operator, account status, and local regulation. Small withdrawals may require only a phone number, while larger transactions commonly require identity verification, such as a government-issued document and proof of address.
Users should verify the wallet address and cryptocurrency network before sending funds. Blockchain transfers are normally irreversible, and sending an incompatible asset or using the wrong network can result in permanent loss. The cash-dispensing stage may also depend on the machine having sufficient banknotes. Users should retain the receipt and transaction ID until the withdrawal is complete. Availability, supported assets, fees, transaction limits, and legal requirements differ substantially between countries and operators.