Establishing control based on location of a mobile device

This invention describes a way to unlock a physical item using your mobile phone. It works by first checking if your phone is close to the item. Then, a secure part of your phone uses a special digital key, called a blockchain credential, to access information about the item from a remote blockchain system, and based on this information, the lock is either opened or closed.

Why it matters: Filed when blockchain for identity was nascent. Tools for integrating blockchain credentials with secure mobile components have matured significantly since 2020.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedBlockchain system, secure element, software logic

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