SYSTEM, CONTROL METHOD FOR USER TERMINAL, AND STORAGE MEDIUM

WIPO Patent Application WO/2023/026506

A1

Provided is a system that contributes to providing a highly transparent distribution market for items such as works of art. A system according to the present invention includes a user terminal and a plurality of ledger nodes. The user terminal acquires an object fingerprint of an item and biometric information of the owner of the item. The plurality of ledger nodes provide an electronic bulletin board. The user terminal writes an ownership certificate including the object fingerprint of the item and the biometric information of the owner to the electronic bulletin board. The system may further include a server device, and the user terminal may transmit an item registration request to the server device, the item registration request including at least the object fingerprint of the item and the biometric information of the owner. The server device may generate the ownership certificate on the basis of the information included in the item registration request, may write a first transaction including the generated ownership certificate to the electronic bulletin board, and may transmit a first transaction ID corresponding to the first transaction to the user terminal.

KAWASE NOBUAKI (JP)

PCT/JP2021/045196

March 02, 2023

December 08, 2021

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NEC CORP (JP)

G06Q30/00; G06Q30/06

WO2020080537A1

2020-04-23

JP2018173692A	2018-11-08
JP2018515048A	2018-06-07
JP2007526583A	2007-09-13
JP2021092827A	2021-06-17

TAKAHASHI Mikio (JP)

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