Highway free flow toll data processing and verification method and device

The invention provides a highway free flow toll data processing and verification method and device. The highway free flow toll data processing method comprises the following steps: acquiring traffic information of vehicles passing through a highway free flow portal, wherein the vehicle passing information comprises vehicle passing charging information and vehicle passing evidence storage information; performing hash processing on the vehicle passing information to generate evidence storage fingerprint information; and transmitting the vehicle passing charging information and the evidence storage fingerprint information to a block chain node to perform block chain uplink processing. According to the invention, passing vehicle passing information is collected, all vehicles passing through the portal are accurately charged in a segmented manner, vehicle passing charging information and evidence storage fingerprint information are transmitted to the block chain node, the data capacity of electronic data uploading