Title:
汎用アカウントモデルおよび準同型暗号に基づくブロックチェーンデータ保護
Document Type and Number:
Japanese Patent JP6811334
Kind Code:
B2
Abstract:
Implementations of the specification include receiving transaction data associated with a transaction, the transaction data comprising: data representative of a plurality of assets, a first commitment that hides a first random number and a transaction amount, a second commitment that hides a second random number and a change, the transaction amount and a third random number both encrypted by a public key of the second node, the change and a fourth random number both encrypted by a public key of the first node, and a zero-knowledge proof (ZKP); determining, based on the ZKP, whether the transaction is valid based on determining if the first random number is equal to the third random number, the second random number is equal to the fourth random number, and the transaction amount hidden in the first commitment is equal to the transaction amount encrypted by the public key of the second node.
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Inventors:
Wenbin Jiang
Baori Ma
Juan Yu Ma
Baori Ma
Juan Yu Ma
Application Number:
JP2019542677A
Publication Date:
January 13, 2021
Filing Date:
December 21, 2018
Export Citation:
Assignee:
Advanced New Technologies Company Limited
International Classes:
H04L9/32; G06Q20/06
Domestic Patent References:
| JP2018007168A |
Foreign References:
| US20160358165 | ||||
| WO2016049406A1 | ||||
| CN108418783A |
Other References:
長沼 健、鈴木 貴之、吉野 雅之、佐藤 尚宜、高橋 健太,Hyperledger Fabricを用いた非中央集権型ネッティングプロトコル,SCIS2018,日本,電子情報通信学会,2018年 1月26日
安坂 祐紀、渡辺 知恵美、天笠 俊之、北川 博之,プライバシーを考慮したブロックチェーンの取引者間事前合意プロトコル,CSS2018,日本,情報処理学会,2018年10月15日,P850-856
安坂 祐紀、渡辺 知恵美、天笠 俊之、北川 博之,プライバシーを考慮したブロックチェーンの取引者間事前合意プロトコル,CSS2018,日本,情報処理学会,2018年10月15日,P850-856
Attorney, Agent or Firm:
Masato Iida
Takahashi Fumio
Takahashi Fumio