U.S. Patent 10868668 was awarded to Wells Fargo Bank, N.A. on December 15, 2020 and is entitled “Parallel assurance of blockchain signatures.” The first named inventor is Phillip H. Griffin of Raleigh, NC. The abstract contains an overview of the patent disclosure:

In a system and methods to verify data integrity and origin authenticity of signed elements in an arbitrary blockchain, a block is signed using a first digital signature algorithm. A hash on the signed first block content is computed. A parallel assurance of blockchain signatures (“PABS”) record includes a cryptographic message, comprising the block identifier and the hash, and is signed using a second digital signature algorithm, which, in some embodiments, is different from the first digital signature algorithm. Integrity and origin authenticity of the signed block content are verified by verifying the digital signature of the first cryptographic message. Additionally, to verify the block content, a verification hash is computed on the signed block content of the block of the blockchain, and the verification circuit verifies that the hash from the cryptographic message matches the verification hash. Link to Full Patent

This blockchain patent was originally filed on September 11, 2019  as U.S. Patent Application 16/566975 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10868668. The primary examiner was Simon P Kanaan.

Wells Fargo Bank, N.A., who is the original assignee of this patent, has at least 1064 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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