U.S. Patent 10951408 was awarded to NEC CORPORATION on March 16, 2021 and is entitled “Method and system for publicly verifiable proofs of retrievability in blockchains.” The first named inventor is Ghassan Karame of Heidelberg, . The abstract contains an overview of the patent disclosure:

A method for securing a blockchain and incentivizing the storage of blockchain data using a publicly verifiable proof of retrievability (PoR) includes receiving a PoR transaction having a PoR proof; determining whether the PoR proof is a verified PoR proof; and based upon determining that the PoR proof is a verified PoR proof, incorporating, by a block creator node, the PoR transaction into a new block of the blockchain. Link to Full Patent

This blockchain patent was originally filed on September 05, 2018  as U.S. Patent Application 16/121706 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10951408. The primary examiner was Christopher A Revak.

NEC CORPORATION, who is the original assignee of this patent, has at least 32150 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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