I need to do the following. I'm true noob at this. The instructions were ''sign btc address'' so that I can prove I'm the owner of the wallet.
I also need to include a message with the signing.
How can I do this? I found other tutorials but not one using the coinb.in..
I also know how to do this with Electrum but don't know how to import my Coinb.in wallet address, so I cant do this in Electrum.
I have tried to learn this but since English is my 3rd language it's very hard to find and follow a tutorial how to do this.
I will give small amount of BTC to someone who can solve my problem, leave your wallet address with your advice