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Patent Searching and Data


Title:
CONTROL DEVICE, DATA REGISTRATION SYSTEM, AND CONTROL PROGRAM
Document Type and Number:
WIPO Patent Application WO/2021/009789
Kind Code:
A1
Abstract:
A data registration system according to the present embodiment comprises a control device 20 and a linked device 30. The control device 20 comprises: a communication unit 21 for receiving a data registration request to which a user's electronic signature has been appended; a confirmation unit 22 for confirming user identity; a transaction generation unit 23 that, when a user's identity has been confirmed, extracts data contained in the data registration request and sends the data to the linked device 30 to be stored therein, and generates, on the basis of the data registration request, a transaction containing information for accessing the data stored in the linked device 30, and appends the electronic signature to the transaction; and a blockchain control unit 24 that issues the transaction to a blockchain network. The linked device 30 comprises a communication unit 31 for receiving the data, and a storage unit 33 for storing the data in association with the transaction.

Inventors:
ISHIDA TATSURO (JP)
NAKADAIRA ATSUSHI (JP)
FUJIMURA SHIGERU (JP)
OHASHI SHIGENORI (JP)
WATANABE HIROKI (JP)
Application Number:
PCT/JP2019/027632
Publication Date:
January 21, 2021
Filing Date:
July 12, 2019
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G06F21/64; G06F21/62
Domestic Patent References:
WO2019054038A12019-03-21
Foreign References:
US20150269570A12015-09-24
JP2019079577A2019-05-23
Other References:
BITBANK INC. ET AL.: "Passages; The impact of blockchain", THE IMPACT OF BLOCKCHAIN; 1ST ED., 13 June 2016 (2016-06-13), pages 39, 219, 254, XP009526330, ISBN: 978-4-8222-3659-5
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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