| 摘要 |
PROBLEM TO BE SOLVED: To provide a system for achieving privacy protection in an individual point of view as an information provider, and for preventing the inclination of an information collector from being widely known.SOLUTION: An information transaction system includes: a transaction support server 30 for receiving a kana issue request from a questionnaire executor server 10 and an answerer terminal 20, and for generating and replying a kana; the questionnaire executor server 10 for acquiring the kana from the transaction support server 30, and for distributing a question (query) with the acquired kana as a distribution source, and for collecting an answer to the query; and the answerer terminal 20 for acquiring the kana from the transaction support server 30, and for answering the question with the acquired kana as an answer source. |
