| 摘要 |
PROBLEM TO BE SOLVED: To reduce processing time and improve the accuracy of identification in the operation of exchanging special coins.SOLUTION: A terminal device 100 includes a display unit 130, input units 122 and 124 that receive the input of key information on identification object coins, an extraction unit 230 that extracts, from storage means storing feature information on special coins, the feature information on special coins corresponding to the identification object coins on the basis of the key information, and information display unit 140 that displays information for identification 503 on the special coins including the extracted feature information on the display unit 130, where the feature information includes the presence or absence of coins similar to the special coins. |
