Motor vehicle automatic driving operation data recording method based on blockchain

The invention discloses a block chain-based motor vehicle automatic driving operation data recording method. The method comprises the following steps that a unique public and private key pair is generated for a motor vehicle; a server stores the public key of the motor vehicle, binds the public key with the motor vehicle information and the vehicle owner information, and synchronizes the motor vehicle information to a block chain; the motor vehicle records and stores a data record for the operation action of each person generated in the using process of the motor vehicle, an instruction sent by automatic driving and the change of system information and surrounding information of the motor vehicle, a local timestamp is generated for the data record, and each data record has an operation sequence number with a progressive increase sequence number; the motor vehicle generates a corresponding data hash value according to the data record, the timestamp and the operation sequence number; the motor vehicle signs the