Systems and methods for tool activation and display cabinet locking

A method of unlocking an offline retail display case that stocks physical products, comprising:

• at the offline retail display case that includes a processor, memory, an electronic lock, a relay coupled to the electronic lock, and a radio module configured to (i) broadcast short-range wireless messages including a unique identifier of the retail display case and a unique authorization request without use of wide area network communications, (ii) receive short-range wireless messages from one or more mobile devices in proximity to the display case, and (iii) control a state of the electronic lock via a control signal output by the radio module:
• receiving via the radio module an unlock message and a trusted token;
• determining whether an authorization grant included in the trusted token is valid, wherein the authorization grant is valid if the authorization grant includes the unique identifier of the retail display case and the unique authorization request;
• in accordance with a determination that the authorization grant is not valid, rejecting the unlock message without changing the state of the electronic lock, and
• in accordance with a determination that the authorization grant is valid, changing the state of the electronic lock.

A non-transitory computer-readable storage medium storing one or more programs, the one or more programs comprising instructions, which, when executed by one or more processors of a display case control system having a radio module configured to (i) broadcast short-range wireless messages including a unique identifier of the retail display case and a unique authorization request without use of wide area network communications, (ii) receive short-range wireless messages from one or more mobile devices in proximity to the display case, and (iii) control a state of the electronic lock via a control signal output by the radio module;

• and a lock control circuit that is electrically connected to an electronic lock of a display case, cause the display case control system to:
• receive an unlock message and a trusted token;
• determining whether an authorization grant included in the trusted token is valid, wherein the authorization grant is valid if the authorization grant includes the unique identifier of the retail display case and the unique authorization request;
• when the authorization grant is not valid, reject the unlock message without changing a state of the electronic lock;
• and
• when the authorization grant is valid, change the state of the electronic lock.