MANAGEMENT SYSTEM, SERVER, MANAGEMENT METHOD, AND PROGRAM FOR MANAGEMENT OF ACCESS RIGHTS TO A DELIVERY LOCKER USING BLOCKCHAIN

摘要

A management system according to the present disclosure includes: a right holder information storage unit (405) which stores right holder information including a first user who is a right holder entitled to use a delivery locker device (300); an agreement formation unit (402) which creates a block of a blockchain that includes a processing instruction, and stores the block into a block storage unit; a terminal device (100, 110) which transmits an assignment processing instruction including a condition for assignment of the right and a second user to whom the right is assigned; a process execution unit (403) which, when obtaining the assignment processing instruction included in the block, updates the current right holder included in the right holder information from the first user to the second user; and a condition checking unit (404) which, when determining that the condition for assignment fails to be met, creates a return processing instruction for returning the right from the second user to the first user, and transmits the return processing instruction to the agreement formation unit (402). When obtaining the return processing instruction included in the block, the process execution unit (404) updates the second user included in the right holder information to the first user.