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How to sign a message with your Bitcoin address

This is a way to prove you do possess a particular Bitcoin address, therefore rightful owner of the account. 

You can sign any message using your private key, creating an encrypted string - a signature. Once you have valid signature please follow this procedure on Security tab in order to unlock your payout address:
https://slushpool.com/settings/security/

HINT: When signing message, please make clear what is and what isn't a part of the message, and be aware that every character, including spaces, tabs and line breaks, is a part of the message.

Depending on the wallet provider, please follow instructions how to sign a message on the links below.

This is a general information how to sign your message with your BTC address:
https://bitcoinmagazine.com/articles/bitcoin-address-sign-1399914228

Trezor:
https://doc.satoshilabs.com/trezor-user/messages.html

Bitcoin-Qt and MultiBit:
http://support.bitcoin.cz/Knowledgebase/Article/View/36/2/how-to-sign-a-message-using-a-bitcoin-client
https://multibit.org/help/v0.5/help_signAndVerifyMessage.html

Blockchain:
https://coins.newbium.com/post/1385-how-to-sign-message-your-bitcoin-address-and-verif

You can follow these instructions if you use some other wallets:
https://bitcointalk.org/index.php?topic=990345.0

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  1. Matej (Support)

  2. Posted
  3. Updated

Comments

  1. Martin

    Staff –

    Hi Ridho, can you please be more specific? Do you need to unlock the wallet with signature obtained from Multibit or Bitcoin-Qt? Or another one?
  2. Martin

    Staff –

    Hi Ahmed, It was possible with Coinbase wallet some time ago but it looks like it is not possible anymore. Always good to ask their support own support.
  3. Ahmed Jadoon

    Is it possible with Coinbase wallet or BTC-E exchange?
  4. Ridho Fernandez

    how can I get the application or as shown above, please provide information as soon as its
  5. Joao Oliveira

    What about blockchain.org?
  6. Martin

    Staff –

    Hi hesam, please try to contact their support.
  7. hesam

    how to sign bitgo ?????????????
  8. Martin

    Staff –

    Hi Sarah, In order to sign a message, please follow instructions on the link below: https://multibit.org/en/help/hd0.2/sign-message.html
  9. Sarah Coleman

    how to sign with multibit hd
  10. Hani Boss

    Cool