U.S. Patent 10819503 was awarded to INTERNATIONAL BUSINESS MACHINES CORPORATION on October 27, 2020 and is entitled “Strengthening non-repudiation of blockchain transactions.” The first named inventor is Sharathchandra U. Pankanti of Darien, CT. The abstract contains an overview of the patent disclosure:

An example operation may include one or more of joining, by a host device, a blockchain managed by one or more devices on a decentralized network, the blockchain is configured to use one or more smart contracts that specify transactions among a plurality of end-users, creating on the blockchain the smart contract defining authentication parameters for an authentication of an end-user from the plurality of the end-users, executing the smart contract to perform the authentication of the end-user associated with a transaction based on the authentication parameters by generating an authentication challenge for the transaction, and recording an authentication log produced by the authentication challenge into a metadata of a transaction payload for analytics. Link to Full Patent

This blockchain patent was originally filed on July 03, 2018  as U.S. Patent Application 16/026857 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10819503. The assistant examiner was Aubrey H Wyszynski.

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 0 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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