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:
Mar. 12, 2019
Filed:
Oct. 21, 2016
International Business Machines Corporation, Armonk, NY (US);
Elli Androulaki, Zurich, CH;
Angelo De Caro, Zurich, CH;
Thorsten Kramp, Jona, CH;
David W. Kravitz, San Jose, CA (US);
Alessandro Sorniotti, Zurich, CH;
Marko Vukolic, Zurich, CH;
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Abstract
Embodiments of the present invention may provide techniques by which replay attacks in a blockchain network may be efficiently resisted, while preserving valid user permissions and privacy in the blockchain network. For example, in an embodiment of the present invention, in a network of computer systems, a method of communication may comprise at a user computer system, generating a security value that is to be used only once, generating a message signed with a security certificate and including the security value, and transmitting the message over the network of computer systems.