U.S. Patent 11018852 was awarded to INTERNATIONAL BUSINESS MACHINES CORPORATION on May 25, 2021 and is entitled “Blockchain trust anchor.” The first named inventor is Yi-Min Chee of Yorktown Heights, NY. The abstract contains an overview of the patent disclosure:

An example operation may include one or more of storing data via a blockchain ledger based on a consensus of a set of anchor blockchain nodes which are subset of nodes included in larger set of nodes in a blockchain network, receiving an access request from a blockchain member not included in the set of anchor blockchain nodes and which does not maintain a copy of the blockchain ledger, verifying a previously stored portion of the blockchain ledger which is accessible to the blockchain member based on the received access request, and sharing the previously stored portion of the blockchain ledger with the a computing system of the blockchain member based on the verification. Link to Full Patent

This blockchain patent was originally filed on December 21, 2018  as U.S. Patent Application 16/230212 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11018852. The primary examiner was John B King.

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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