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Patent Searching and Data


Title:
METHOD FOR ISSUING, REDEEMING, REFUNDING, SETTLING AND REVOKING ELECTRONIC VOUCHER ON BASIS OF UTXO AND BY USING MERKLE TREE STRUCTURE, AND SERVER EMPLOYING SAME
Document Type and Number:
WIPO Patent Application WO/2018/070783
Kind Code:
A2
Abstract:
The present invention provides a method comprising: (a) a step in which a server registers or supports the registration of (i) electronic voucher data, (ii) a public key of a specific issuer and (iii) an electronic voucher issuance transaction in a private blockchain database, and provides or supports the provision of PrivTxid indicating information on the location of the electronic voucher issuance transaction, registered in the private blockchain database, within the private blockchain database to the specific issuer; and (b) a step in which, if a predetermined condition is met, the server registers, in a public blockchain database, a representative hash value, generated by computing a specific hash value and at least one neighboring hash value matching the specific hash value, or a value generated by processing the representative hash value.

Inventors:
SONG JOO HAN (KR)
HONG JAY WU (KR)
UHR JOON SUN (KR)
Application Number:
PCT/KR2017/011208
Publication Date:
April 19, 2018
Filing Date:
October 11, 2017
Export Citation:
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Assignee:
COINPLUG INC (KR)
International Classes:
G06Q20/38; G06Q30/02; G06Q30/04
Attorney, Agent or Firm:
SU INTELLECTUAL PROPERTY (KR)
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