What are one-time-use privacy cards? Explaining the benefits

One-time-use credit cards, also called privacy cards, generate a unique virtual card number and expiration date linked to a consumer’s primary credit or debit card, allowing a single purchase without exposing the underlying account details to the merchant. They can be used for many online transactions, including large purchases, unfamiliar merchants, phone orders, employee spending, and vendor testing, and may provide benefits such as reduced fraud exposure, spending limits, and greater privacy because a compromised number becomes unusable after the transaction. Although generally less convenient for in-person payments, some providers support use through digital wallets. Services such as Privacy.com and Revolut offer these cards, which differ from reusable virtual cards that may include controls such as locking and spending categorization. Consumers are advised to assess providers’ security practices and terms carefully, while merchants may need to adapt fraud-prevention systems because one-time-use card activity can differ from standard card-use patterns.

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