A mortgage car electronic fence implementation method and system based on a block chain technology

The invention discloses a mortgage car electronic fence realization method and system based on a block chain technology, and the method employs the block chain technology to record the driving data ofa mortgage car, so as to avoid unnecessary disputes generated between mortgage people and financial institutions on judgment of border-crossing behaviors. The method comprises: deploying nodes in a financial institution center and each mortgage vehicle, and block chain nodes are constructed into a block chain network; Correspondingly setting an intelligent contract for operation of each mortgagevehicle node based on the limited driving area of the mortgage vehicle; Acquiring position information of the mortgage car, and when the intelligent contract judges that the mortgage car crosses the border, broadcasting violation data to the whole network nodes by the nodes of the border-crossing mortgage car; And triggering the smart contract limiting instruction after the whole network node consensus so as to take limiti