1. A method for tracing and identifying a piracy in a wireless digital rights management system, wherein a content provider delivers protected digital content in a super-distribution mode, comprising: when unauthorized holding of a pirated copy of the protected digital content is detected, based on the gateway controlling ability of a wireless operator within the wireless digital right management system, embedding in or removing from a specific fingerprint the protected digital content so as to trace suspected persons and further identify a pirate, wherein said specific fingerprint being related to the information about a suspected person who holds the protected digital content without authorization.