Introduction:Hello,
I am going to tell you how to sign or verify a message in NEW Blockchain wallet. We are already aware with this feature but the new wallet is a little bit confusing, so i am gonna tell you how it will go! Follow:Signing a MessageStep 1 - First of all login to your wallet and click Settings Tab on your left navigation bar.
Step 2 -Click on Addresses under Settings Tab, Once you did you will see your address section in the center of the page.
Step 3 -Now, Click on Manage Addresses infront of Imported Addresses section.
Step 4 -You will see all your addresses associated with your wallet. Simply click on More Options on the right side.
Step 5 -Click Sign Message and you are done!
Example:Address: 18L6tGTdJfCenGxzc8ZDLsjBNaUfekXzjj
Message: Signing a message for showing an example
Signature: IMAb7CPGgkUeKu5ft0NgyTrQjWFTWFhjwGob3+NpK+x5NF6uRNV2qPx4uf7wuoe6KnVSsNf42Jq4in8KtBbmVE4=
Click on Addresses under Settings Tab, Once you did you will see your address section in the center of the page.
Step 2 -Now, Click on Manage Addresses infront of Imported Addresses section.
Step 3 -Just above your addresses, there is a big button named "More Actions".
Step 4 -Click on the button and select Verify message! Done
Hope this Guide helped you in understanding the concept of API's, Drop me some comments to motivate 
If you want to Donate, Please: 18L6tGTdJfCenGxzc8ZDLsjBNaUfekXzjj
