So, what's it all about?

I went to a UNIX trade show yesterday, and the main speaker was a security type. He talked about "the cypherpunks" among other things. He said you are really scary and dangerous and ... But of course he had to also project this adress (cypherpunks@toad.com) on the screen. So are you really scary and dangerous? What are the cypherpunks? Just curious, -EWM