Well, with some of the self-destruct ideas recently put forth, YES, the 16F84 is easy to crack, split in half, be explosively vaporized, electrically eliminated like "shooting buck shot through a watermelon", but as Mark Willis so eloquently put it "Explosives are more fun". Jc. -----Original Message----- From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Craig Lee Sent: Wednesday, November 24, 1999 11:23 AM To: PICLIST@MITVMA.MIT.EDU Subject: A customer asks: Isn't the 16F84 easy to crack? What is the consensus of the group? Craig