U.S. Patent 11025433 was awarded to Wells Fargo Bank, N.A. on June 01, 2021 and is entitled “Secure ledger assurance tokenization.” The first named inventor is Jeffrey J. Stapleton of O’Fallon, MO. The abstract contains an overview of the patent disclosure:
In a system and methods for secure ledger assurance tokenization, a request circuit is structured to access a first block of a first blockchain. The first block includes a first block identifier of the first blockchain and first block content. The request circuit is structured to audit the first block content so as to generate a first audit result. A secure ledger assurance token (SLAT) generation circuit is structured to generate a first SLAT, the first SLAT comprising the first block identifier of the first blockchain and the first audit result. The cryptographic circuit is structured to cryptographically protect the first SLAT. The SLAT generation circuit stores the cryptographically protected first SLAT in a journal, where the cryptographically protected first SLAT is accessible by an authorized stakeholder to provide integrity and origin authenticity of the first audit result. In some embodiments, an audit anchor is associated with a SLAT and the content of the first blockchain is pruned up to the point defined by the audit anchor. Link to Full Patent
This blockchain patent was originally filed on August 26, 2019 as U.S. Patent Application 16/551242 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11025433. The primary examiner was Joseph P Hirl.
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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