US Patent 11509644 Establishing connections between IOT devices using authentication tokens

Various systems and methods of establishing a trusted pairing relationship between IoT devices, through the exchange of authentication service proof of possession tokens, are described herein. In an example, a trusted pairing relationship is established between IoT devices, through access control and credential resources based on communication via intermediary devices and services. The IoT devices may request or receive access to or information from a resource based on the trusted relationship.