1. A method for identity key management in networked application execution, comprising: receiving an identifier request at a server system from a client system, wherein the identifier request includes an identity key value obtained from a local store of the client system, wherein the local store of the client system is secured by a passcode, and wherein the identity key value remains stored in the local store of the client system through power cycling of the client system; upon detecting the identity key value at the server system, operating the server system to obtain an identifier corresponding to the identity key value from an identifier storage; transmitting the identity key and the corresponding identifier from the server system to the client system, the identifier defined to track execution of a networked application at the client system.