Intelligent lock system based on block chain

The invention relates to an intelligent lock system based on a block chain. The intelligent lock system comprises a block chain network, an intelligent contract deployed on the block chain network, a decentralized application terminal and intelligent lock equipment, the intelligent contract is used for managing user registration and authority distribution of the intelligent lock equipment, setting an unlocking strategy and recording an unlocking event; the decentralized application terminal and the intelligent lock device jointly initiate an administrator user registration application and a non-administrator user registration application to the intelligent contract; the administrator user manages the account number and authority of the non-administrator user through the decentralized application terminal; a local storage module is arranged in the intelligent lock equipment and is used for storing identification information and unlocking event related information of administrator users and non-administrator us