Bank bill business service system based on block chain technology

The invention discloses a bank bill business service system based on blockchain technology, and the system comprises an enterprise online bank, a third-party APP, and a background management system. The enterprise online bank carries out operation on a company, a handler, and a bill business according to a conventional multi-level authentication authorization mode. The third-party APP realizes free switching of different roles and completes different permission operations; and the background management system performs production list comparison to ensure fund safety. In the present invention,according to the bank bill business service system, a block chain technology is combined with a mobile bill; the autonomous selectivity of the user can be improved; free domination of the mobile draftcan be realized without depending on mutual cooperation of a central platform, risks of merchants are liberated from internet monopoly, and real transparency and freedom of data are realized, so thata bank can accurately gras