| 摘要 |
PROBLEM TO BE SOLVED: To enable an expenditure in a saving account used jointly by a plurality of persons to be integrally managed.SOLUTION: A server device 110 includes a database that associates and stores card information on a plurality of cards used in authentication of a user of an account for each account shared by a plurality of users, and the server device 110 is configured to: receive request information from a first user; store the request information in the database; receive information relating to a reply result to the request information from a second user; store the information relating to the reply result in the database; receive first confirmation information from the first user; and transmit payment instruction information to a first cash transaction device on the basis of the information relating to the reply result when payment permission information is included in the information relating to the reply result stored in the database. |
