Quote from: MsCollec on November 12, 2015, 08:07:09 AM

-snip-
Blockchain.info allows you to export your private keys.

They also allow to sign a message, so there is no need to export and risk a private key.

Quote from: traktorista on November 12, 2015, 08:08:13 AM

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.

Below is a post from Nov-25-2014 with that address.

https://bitcointalk.org/index.php?topic=873530
https://archive.is/XzmZe

The format admins need is here -> https://bitcointalk.org/index.php?topic=497545.0

If you want to keep your email secret, create two signed messages. One for us so we can tag the account as compromised and one for admins with your mail address which you can send them via PM.

Code:

-----BEGIN BITCOIN SIGNED MESSAGE-----
My account has been hacked/lost. Please reset the email to . The current date is .
-----BEGIN SIGNATURE-----

-----END BITCOIN SIGNED MESSAGE-----

Here is the unedited post where I posted that address: ...
OR
I sent that address to someone in a PM with PM ID#...