A vending machine is described that uses digital currency transactions to enable a user to purchase items from their portable computing device. Using a control system in communication with various components of the vending machine and an internet connection for communicating with a remote digital currency system, such as a bitcoin network, a digital currency processing system executes digital currency transactions and stores the resulting digital currency in a transaction storage repository. The control system initiates dispensing of purchased items based on communication from the digital currency processing system.
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