Darknets are a privileged environment for crooks that intend to develop a prolific business protecting their anonymity, anyway, there are several aspects that they need to consider in order to leave tracks that could allow their identification.
In the past the analysis of EXIF metadata allowed law enforcement and intelligence agencies to track suspects, but now cyber criminals, including sellers in the principal black markets, have started to metadata the photos they posted. The trend was confirmed by a study conducted by two students at the Harvard University, Paul Lisker and Michael Rose.
