Patent attributes
Unattended beverage dispensers configured to dispense one or more beverages after authenticating a customer and associating the customer with a customer account. An unattended beverage dispenser may include a user interface with a biometric sensor configured to identify a biometric characteristic of a customer. A controller associated with the unattended beverage dispenser may authenticate a customer based on a biometric characteristic and associate the authenticated customer with a customer account. After authenticating a customer, the controller may allow beverage dispensing from the unattended beverage dispenser in accordance with a beverage dispensing rule associated with the customer's account.