| 主权项 |
1. A trading card, comprising:
a main portion having layers of paper in a sheet form; and an electronic component for contactless communication, which is contained in the main portion, wherein the electronic component includes
an antenna which transmits and receives a radio signal involved with contactless communication,a storage portion which stores data related to a character represented on the main portion and includes a first storage area in which writing of additional data is restricted and a second storage area in which writing of additional data is not restricted, anda circuit which writes data received from an external apparatus through contactless communication into the second storage area, any character of a plurality of characters, information associated with the character, and information for playing are represented on one surface of the main portion, a mark indicating a position of the antenna is represented at a position of arrangement of the antenna on the other surface of the main portion, and the data related to the character includes identification information for specifying the character and identification information representing an application in which the character is available or a series of applications in which the character is available. |
