U.S. Patent 10158492 was awarded to Guardtime SA on December 18, 2018 and is entitled “Blockchain-supported device location verification with digital signatures.” The first named inventor is Jeffrey Pearce of Hilo, HI. The abstract contains an overview of the patent disclosure:

Location data from one or more geolocation engines such as GPS, a system that determines location from relative signal strengths or transit times, etc., within and/or connected to a device, such as a mobile phone, vehicle, movable electronic device, computer, etc., is included in a digital record that submitted to obtain a digital signature such that the presence of the device at the particular location can later be proven. The digital record may include data that encodes a message, as well as other parameters such as time. The digital signature encodes recomputation parameters of a hash tree signature infrastructure to a highest level value, a function of which is submitted as a transaction in a blockchain. Link to Full Patent

This blockchain patent was originally filed on October 18, 2016  as U.S. Patent Application 15/297111 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10158492. The primary examiner was Nelson Giddins.

Guardtime SA, who is the original assignee of this patent, has at least 33 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 2 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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