Abstract: The present disclosure provides a blockchain-based method, device and system for processing vehicle driving data. The method includes: within a specific period, recording the vehicle driving data, performing consolidating cleaning or cleansing thereon, and uploading the processed vehicle driving data to a blockchain for preservation; and when a blockchain node generates a block, reading the vehicle driving data and its changes within the specific period from centralized data, confirming value measurement weighting factors with an f function based on the vehicle driving data, packing the value measurement weighting factors, performing a hash operation thereon and uploading the same to the blockchain.