U.S. Patent 10387684 was awarded to INTERNATIONAL BUSINESS MACHINES CORPORATION on August 20, 2019 and is entitled “Interlocked blockchains to increase blockchain security.” The first named inventor is James E. Carey of Rochester, MN. The abstract contains an overview of the patent disclosure:

Systems and methods for preventing vulnerabilities in a blockchain due to quiescence are disclosed including submitting a first crosslink transaction for addition to a first blockchain that includes cross-referencing information for a second crosslink transaction that corresponds to the first crosslink transaction and submitting the second crosslink transaction for addition to a second blockchain that includes cross-referencing information corresponding to the first crosslink transaction. The first and second crosslink transactions are configured to be usable together by a user of at least one of the first and second blockchains to validate at least a portion of one of the first and second blockchains after a period of quiescence in the one of the first and second blockchains. Link to Full Patent

This blockchain patent was originally filed on December 09, 2016  as U.S. Patent Application 15/374493 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10387684. 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 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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