U.S. Patent 10826704 was awarded to Hewlett-Packard Development Company, L.P. on November 03, 2020 and is entitled “Blockchain key storage on SIM devices.” The first named inventor is Paul Michael Burke of Bedford, NH. The abstract contains an overview of the patent disclosure:

The disclosure relates to storing a blockchain private key on a SIM device and securing the blockchain private key through multi-factor authentication. Various layers of security that controls access to the blockchain private key on the SIM device may be employed. These layers may include authentication of the user device on the cellular network using the SIM device, storage on a hidden partition of the SIM device that only a key applet executing on the SIM device or on a user device processor is aware of, storage of the blockchain private key in encrypted form, and/or use of the key applet to enforce credentialed access to the blockchain private key (e.g., the key applet obtains from the hidden partition and/or decrypts the blockchain private key only if a valid passcode is supplied to it). Link to Full Patent

This blockchain patent was originally filed on August 31, 2018  as U.S. Patent Application 16/120202 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10826704. The primary examiner was Teshome Hailu.

Hewlett-Packard Development Company, L.P., who is the original assignee of this patent, has at least 37773 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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