Bank of China publishes a banknote tracking patent that can identify barcodes for tracking

According to the Tianyancha App, on February 8, the bank of China Co., Ltd. applied for a patent for "a cash tracking method and device".

The abstract shows that the present invention may be applied to the Internet of Things or the financial field, which binds a bar code by the crown number of the banknote, and in response to the cash transaction counting, identifies the bar code, obtains the circulation state of the cash to be counted in the system. If the current state is consistent with the circulation state in the system, the cash circulation status is updated to the target state to achieve effective tracking; if it is inconsistent, the abnormal state is prompted, so that the staff can find and deal with it in time to avoid unnecessary disputes.