A gate keeping system for a user accessible resource is provided. The system has a server, a transceiver and an RFID tag. The server is communicably connected to the resource for sending commands allowing and terminating user access to the resource. The receiver is communicably connected to the server and capable of sending an RF interrogation signal. The RFID tag is capable of sending an RF signal in response to the receiving the interrogation signal. The RFID tag has a program that embodies user unique credentials capable of providing user access to the resource. The user unique credentials represent a user associated with the tag.