U.S. Patent 10891384 was awarded to KONINKLIJKE KPN N.V. on January 12, 2021 and is entitled “Blockchain transaction device and method.” The first named inventor is Douwe van de Ruit of Langerak, . The abstract contains an overview of the patent disclosure:

Some embodiments relate to a blockchain transaction device arranged to generate a transaction for a blockchain. The blockchain transaction device is configured to generate a transaction, said transaction comprising a signature, by calling a signing interface of a cryptographic kernel application to obtain the signature for the transaction. The cryptographic kernel application is configured to access a high security data area and compute the signature from a private key. Link to Full Patent

This blockchain patent was originally filed on February 14, 2018  as U.S. Patent Application 15/897080 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10891384. The primary examiner was Michael S McNally.

KONINKLIJKE KPN N.V., who is the original assignee of this patent, has at least 295 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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