Title:
SYSTEM FOR ERRATUM DETERMINATION/RESULT SHARING ON BLOCK CHAIN
Document Type and Number:
Japanese Patent JP2019176432
Kind Code:
A
Abstract:
To provide a distributed ledger verification system.SOLUTION: A method for performing recording in a distributed ledger is to be executed by a first computer device, the method including: a step of generating a first hash value on the basis of a correct answer to a query from a first user; a step of generating first transaction data including the first hash value, the first transaction data associated with transaction data in the past; and a step of broadcasting the first transaction data. By being compared with second transaction data broadcast by a second computer device, the first transaction data is recorded in the distributed ledger. The second transaction data includes a second hash value generated on the basis of an answer to a query from a second user.SELECTED DRAWING: Figure 3
Inventors:
KIMURA SATOYUKI
TANAKA SHUNTARO
TANAKA SHUNTARO
Application Number:
JP2018065807A
Publication Date:
October 10, 2019
Filing Date:
March 29, 2018
Export Citation:
Assignee:
SUMITOMO MITSUI BANKING CORP
JAPAN RES INSTITUTE LTD
JAPAN RES INSTITUTE LTD
International Classes:
H04L9/32; G09C1/00
Foreign References:
| WO2018043599A1 | 2018-03-08 | |||
| WO2017090329A1 | 2017-06-01 | |||
| WO2017079795A1 | 2017-05-18 | |||
| US20180082256A1 | 2018-03-22 | |||
| US20170317997A1 | 2017-11-02 | |||
| US20170279801A1 | 2017-09-28 |
Other References:
小口 直樹 ほか: "研究開発最前線", ＦＵＪＩＴＳＵ, vol. 68, no. 5, JPN6018034289, 1 September 2017 (2017-09-01), pages 85 - 94, ISSN: 0003909567
Attorney, Agent or Firm:
Patent Business Corporation Tani/Abe Patent Office