ITSChain (Intelligent Transportation Chain) is a blockchain based intelligent parking lot application system developed by the ITSChain Foundation team. Based on the characteristics of clear traceability, clear rights and interests, non tampering of information, and free asset circulation of blockchain, the value exchange of ITS assets is achieved, aiming to solve problems such as inaccurate parking space information, difficulty in industrial technology upgrading, and difficulty in technology implementation and application in smart parking lots, and promote the development and upgrading of China's smart parking lot industry....