Badge

 cryptography Earned 100 upvotes for at least 20 answers in the tag.

This badge has been awarded 10 times. Recently awarded to:
Tom Leek 24.7k42668
Rook 21.1k11969
Polynomial 32.5k1066135
Jeff Ferland♦ 21.4k23388
bethlakshmi 6,150934
Rory Alsop♦ 32.4k333153
AviD♦ 20.3k545113
D.W. 44.7k260156
nealmcb 10.2k2371
Thomas Pornin 82.3k16153287