A method includes transmitting, from a first device, a message indicating that the first device is available to share a resource. The method includes receiving, at the first device, a request to use the resource. The request is received from a second device and includes authentication information. The method includes, based on a determination that the second device is unknown to the first device, determining whether the second device is authenticated based on the authentication information. The method also includes, based on determining that the second device is authenticated, sharing the resource of the first device with the second device.