SECURE AND EFFICIENT METHODS FOR LOGGING AND SYNCHRONIZING DATA EXCHANGES

A method and apparatus is disclosed herein for logging and/or synchronizing data exchanges. In one embodiment, the method comprises receiving a request from a requester to post data to a first log, identifying the log based on a context identifier in the request indicative of a location of the first log and digital data associated with a document corresponding to the first log, creating a first entry based on data in the request, appending the first log with the first entry, calculating a first identifier based on log entries in the first log, and sending the first identifier to the requester.