If you entered your PIN then your Bitcoin is almost certainly gone. To reset your passphrase, please follow the instructions laid out in the following entry on the Silk Road Wiki (and I would advise you read all the other SR Wiki pages while you're there); once you've done that, reset your PIN. http://dkn255hz262ypmii.onion/wiki/index.php?title=Frequently_Asked_Questions#I_forgot_my_passphrase. Silk Road will NEVER ask you for your PIN, unless you're on the Cart page buying something. The only URL you should be visiting is: silkroadvb5piz3r.onion You need to memorise that, and a lot of people find splitting it up to be the easiest way of doing so: silkroad vb5 piz3r Libertas