This site never existed, at least according to Matasano's offical website or Twitter account.
>"If the pricing model we use for the challenges ("mail Sean and ask for them and he'll give them to you for free") is too much for you, I don't know what to tell you"
You are deviating from the fact that you promised to give sth away at a national conference, then completely ignored it until s.b obviously pointed it out. What happened between BH-11 to last November - when you started telling everyone to send email to Sean?