Anything you can get to via a normal VPN isn't secret, those just help you get around local firewalls.
As for exchanges on TOR: maybe? I haven't heard of any and IRC was rough and expensive enough. Exchanging bitcoin on TOR sounds like a great way to loose all of it.
As for exchanges on TOR: maybe? I haven't heard of any and IRC was rough and expensive enough. Exchanging bitcoin on TOR sounds like a great way to loose all of it.