N-factor details added to the mainpost (source:nitropool)
Actually the credit goes to LHM for doing the hardwork, he has done a marvelous job. We copied his work and added some of our conclusions.
ahh, thats wonderfull, LHM: your work is appreciated

Glad to help out, the wallet source seems to call that function with the timestamp on the newest block so the timing may be off by a minute or so, but it should be pretty close.