Title:
METHOD FOR ISSUING, REDEEMING, REFUNDING, SETTLING AND REVOKING ELECTRONIC VOUCHER BY USING UTXO-BASED PROTOCOL, AND SERVER EMPLOYING SAME
Document Type and Number:
WIPO Patent Application WO/2018/070781
Kind Code:
A3
Abstract:
The present invention provides a method for issuing an electronic voucher, the method comprising: (a) a step in which a server checks whether or not (i) electronic voucher data, (ii) a public key of a specific issuer and (iii) a signature value of the specific issuer are valid; and (b) a step in which, if the validity check result is positive, the server registers or supports the registration of a hash value associated with (i) the electronic voucher data, (ii) the public key of the specific issuer and (iii) the signature value of the specific issuer in a public blockchain database, and acquires or supports the acquisition of Txid indicating information on the location of the hash value, registered in the public blockchain database, within the public blockchain database.
Inventors:
SONG JOO HAN (KR)
HONG JAY WU (KR)
UHR JOON SUN (KR)
HONG JAY WU (KR)
UHR JOON SUN (KR)
Application Number:
PCT/KR2017/011203
Publication Date:
July 19, 2018
Filing Date:
October 11, 2017
Export Citation:
Assignee:
COINPLUG INC (KR)
International Classes:
G06Q20/38; G06Q30/02; G06Q30/04
Foreign References:
| KR101575030B1 | 2015-12-07 | |||
| KR101637854B1 | 2016-07-08 |
Other References:
SHIN. LAURA: "Why The Bitcoin Blockchain Could Make Gift Cards, A Consumer Favorite, Even More Beloved", FORBES, 17 June 2015 (2015-06-17), pages 1 - 4, XP055506986, Retrieved from the Internet
OLAVSRUD, THOR: "Why Blockchain Can Be Fatal to Your Company", CIO KOREA, 7 September 2016 (2016-09-07), pages 1 - 3, Retrieved from the Internet
WUILLE, PIETER: "Tree Signatures", BLOCKSTREAM, 24 August 2015 (2015-08-24), pages 1 - 6, Retrieved from the Internet
KIM, KANG MO: "Data Forgery Detection of Private Blockchain using Public Blockchain", GITHUB, 5 August 2016 (2016-08-05), pages 1 - 2, Retrieved from the Internet
OLAVSRUD, THOR: "Why Blockchain Can Be Fatal to Your Company", CIO KOREA, 7 September 2016 (2016-09-07), pages 1 - 3, Retrieved from the Internet
WUILLE, PIETER: "Tree Signatures", BLOCKSTREAM, 24 August 2015 (2015-08-24), pages 1 - 6, Retrieved from the Internet
KIM, KANG MO: "Data Forgery Detection of Private Blockchain using Public Blockchain", GITHUB, 5 August 2016 (2016-08-05), pages 1 - 2, Retrieved from the Internet
Attorney, Agent or Firm:
SU INTELLECTUAL PROPERTY (KR)
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