SexKey.com... Safe?

SexKey.com claims it's free.  Except you have to supply a credit card for "verification".  Any of you guys have experience with SexKey?  Are they safe?

On another note, how about HentaiKey GT?

>>6
i've read that there's a trick to get some keys, that involves using irc, the you type some shit, wait for like half an hour and a list of codes to many websites pop up, but i haven't tried it, i'm noob using irc