<p>Is there a way to prove the ownership of an address without spending bitcoins? I Imagine something like signing some given data with the private key - how much would that weaken the security of the bitcoins behind the Address? Any good read on this topic is welcome!</p>

CC BY-SA 3.0
2014-09-18T12:41:33.003Z
http://bitcoin.stackexchange.com/questions/3898/how-does-sign-message-work
Jan Moritz
CC BY-SA 3.0
2014-09-18T12:42:43.970Z
tanks - was missing the right keyword - now I have them
ligi
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2014-09-18T21:49:36.583Z
Removed a comment here, because using a spoofed link to refer to lmgtfy is rude. Please rather ask, whether OP has tried looking for "correct keyword", or just flag it as the corresponding duplicate.
Murch
<address><message-signing><ownership>
How can one prove the ownership of an address?
ligi
# How can one prove the ownership of an address?

(Asked by: username_0 on 2014-09-18)

Is there a way to prove the ownership of an address without spending bitcoins? I Imagine something like signing some given data with the private key - how much would that weaken the security of the bitcoins behind the Address? Any good read on this topic is welcome!

**Tags:** address, message-signing, ownership

> **Comments:**
> **username_1**: http://bitcoin.stackexchange.com/questions/3898/how-does-sign-message-work  
> **username_0**: tanks - was missing the right keyword - now I have them  
> **username_2**: Removed a comment here, because using a spoofed link to refer to lmgtfy is rude. Please rather ask, whether OP has tried looking for "correct keyword", or just flag it as the corresponding duplicate.  

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## 0 answers

