Here's the transaction between my two addressed from blockchain to cex.io (
http://pasteboard.co/24Nj9jSb.jpg) and I can sign a message from the 1HdK3k1LWG429jADbu9GXTszWmGGz9uVdX" address.
that is not a valid proof...you also used that addy for many signatures,
why can't you sign from it .
