As shorena points out, the new Blockchain.info wallet is incapable of signing messages.
However, there's a way of getting around that which is detailed here. Be careful.
Topic: Need to guide how to get verified message in the new blockchain wallet? (Read 223 times)
June 02, 2017, 04:06:12 PM
June 02, 2017, 03:15:36 PM
Facing little bit trouble to find the sign message. Do you have any idea which signature code need to required? How can I fill it?
That section is meant to verify messages signed by other users with bitcoin addresses. The signature is the generated string that is needed to verify that a message signed using a bitcoin address was in fact legit.
I don't use the wallet on blockchain.info, but poke around and see if you can find a section labeled "Sign Message" or something similar. It's probably near where the Verify Message tool is.
June 02, 2017, 12:58:59 PM
Facing little bit trouble to find the sign message. Do you have any idea which signature code need to required? How can I fill it?
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