The present invention relates to a digital system performing tagging and a method for providing same. The digital system performing tagging includes: a communication unit that carries out first tagging with a predetermined device and second tagging with a predetermined financial transaction device; and a control module that controls the communication unit, wherein, when the second tagging is carried out, the control module performs controlling to transmit, to the financial transaction device, a financial transaction requiring information which was received through the first tagging, or based on financial information pre-stored in the digital system in order to allow a financial transaction to be performed.