SYSTEM, PROGRAM, MEHOD, AND INFORMATION PROCESSING APPARATUS

A system that executes a communication game with communication between/among a plurality of terminals is provided. Each of the terminals includes content data that is available at least in the communication game when at least a predetermined condition is satisfied and a decryption key. A first terminal of the terminals that satisfies at least the predetermined condition includes an encryption key corresponding to the decryption key. The first terminal transmits encrypted data encrypted with the encryption key to another terminal when it executes the communication game. When another terminal receives the encrypted data from the first terminal, another terminal verifies the encrypted data based on the decryption key. When verification of the encrypted data received from the first terminal is successful, a second terminal of the terminals that does not satisfy the predetermined condition permits temporary use of content data in the communication game by the second terminal.