The payment screen may include spaces in which a card number and an expiration date are inputted. The wearable device 100 may input a card number of first credit card information in the space in which the card number is inputted. The wearable device 100 may input an expiration date of the first credit card information in the space in which the expiration date is inputted.
In
In operation 1910, the wearable device 100 may register the interest information of the user and a vein image of the user. The interest information may include a category in which the user wants to acquire information. For example, the interest information may include categories such as exercise, a vehicle, or travel. In addition, the interest information may be a brand, an enterprise, or the like, that may be preferred by the user.