U.S. Patent 10230756 was awarded to INTERNATIONAL BUSINESS MACHINES CORPORATION on March 12, 2019 and is entitled “Resisting replay attacks efficiently in a permissioned and privacy-preserving blockchain network.” The first named inventor is Thorsten Kramp of Zurich, . The abstract contains an overview of the patent disclosure:

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. Link to Full Patent

This blockchain patent was originally filed on October 21, 2016  as U.S. Patent Application 15/331385 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10230756. The primary examiner was Mohammad W Reza.

INTERNATIONAL BUSINESS MACHINES CORPORATION, who is the original assignee of this patent, has at least 150818 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 1 times by other U.S. patents according to our law firm research, and can be considered an innovative patent in the field of cryptocurrency and blockchain.

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