Invention Grant
- Patent Title: Electronic transaction system, transaction server, verification server, method of transaction, and program
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Application No.: US16975555Application Date: 2018-03-29
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Publication No.: US12079867B2Publication Date: 2024-09-03
- Inventor: Toshiyuki Isshiki , Kazue Sako
- Applicant: NEC Corporation
- Applicant Address: JP Tokyo
- Assignee: NEC CORPORATION
- Current Assignee: NEC CORPORATION
- Current Assignee Address: JP Tokyo
- International Application: PCT/JP2018/013481 2018.03.29
- International Announcement: WO2019/186978A 2019.10.03
- Date entered country: 2020-08-25
- Main IPC: G06Q40/04
- IPC: G06Q40/04 ; G06F16/23 ; G06F21/60 ; G06F40/289 ; G06Q10/10 ; G06Q20/02 ; G06Q20/38 ; G06Q20/40 ; G06Q30/08 ; G06Q50/06 ; H04L9/32 ; H04L51/046

Abstract:
An electronic transaction system includes a plurality of administration servers, a terminal, a transaction server. The plurality of administration servers provides an electronic bulletin board. The terminal writes bid data including an encrypted price to the electronic bulletin board. The transaction server gets the written bid data, decrypts the encrypted price, executes transaction using the decrypted price by Zaraba scheme.
Information query