The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 19, 2023
Filed:
May. 30, 2019
Nec Corporation, Tokyo, JP;
Kazue Sako, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A cryptocurrency system that enables to verify the origin of a cryptocurrency is provided. A cryptocurrency system includes: at least one terminal; and a plurality of management servers configured to manage a blockchain storing a trading history in a cryptocurrency. The at least one terminal includes a trading control section, and a transmission section. The trading control section is configured to generate a transaction including a first signature for a trading content and a second signature enabling to verify a validity of a remittance source address described in the trading content. The transmission section is configured to transmit the generated transaction to the plurality of management servers.