Abstract: Systems, methods, and devices for assigning a transaction risk score are disclosed. According to one embodiment, a method for generating a transaction risk score may include: (1) receiving, by a transaction scoring service computer program and from an electronic device, a merchant URL that is being accessed by an application or a browser executed on the electronic device; (2) retrieving, by the transaction scoring service computer program, a plurality of transactions involving the merchant URL; (3) generating, by the transaction scoring service computer program, a risk score for the merchant URL based on the plurality of transactions; (4) generating, by the transaction scoring service computer program, a warning in response to the risk score exceeding a predetermined threshold; and (5) communicating, by the transaction scoring service computer program, the warning to the application or the browser.

Abstract: Systems and methods for conducting transactions using cards with keys are disclosed. In one embodiment, a method may include: receiving, at a backend for a financial institution in a transaction, a unique identifier for a card, a key read from the card by a card reading device, and additional data received by the card reading device, the card reading device associated with a merchant; retrieving, by the backend, stored additional data associated with the unique identifier; retrieving, by the backend, a stored key associated with the unique identifier in response to the received additional data matching the stored additional data; confirming, by the backend, that the received key and the stored key are related; retrieving, by the backend, a payment mechanism for the transaction; conducting, by the backend, the transaction with the retrieved payment mechanism; and settling, by the backend, the transaction with the merchant.