I just checked, and I'm pretty sure its the same encryption code in there - there are certain characteristics about my encryption code which make it unique to me
As for blocking people, yeah, I blocked my entire contact list for a few months - because I really was that busy! Take a look at my 4th year project to see just how busy - I didn't sleep for a full 48 hours before hand in. (and completed it with a broken rib, unable to raise my hands above my shoulders)