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Signing a message on private crypto wallet
Message signing is a technique that can be used to verify your identity if you ever need to confirm that you are the wallet address's owner. A key component of Bitcoin and other cryptocurrencies is message signing, which enables wallet owners to verify that they have access to the funds stored in a specific wallet address without actually moving any of the asset.

What does a signed message consist of?

There are three essential components to a signed message:
  • A signed message
  • An address
  • A signature
The address is the wallet address you are confirming, and the signed message is the complete piece of text. One of the most crucial elements of the text is the signature, which verifies that the signed message was delivered by the designated person.

How to sign a message

All you need is a wallet application that supports message signing. Utilizing the wallet application, you can search for the message signing feature, which will produce your signed message.
You can also create signed messages using some web services, but you should be extremely selective about which ones you choose. To use these, you'll need to link your wallet, so be sure the service is reliable and authentic. Fraudsters have been found to fabricate message generators that, if they get access, they are able to take all of your cryptocurrency.
Ethereum using Etherscan
Bitcoin using a Trezor wallet

Resources

Message signing will largely depend on a combination of the asset in question and the wallet holding the asset. For simplicity sake, we have provided some helpful resources below for a few popular assets such as Bitcoin, Ethereum, Litecoin and Dash.