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Author Topic: Bitcoin lost after export/import keys  (Read 1244 times)
w3ida
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March 02, 2014, 10:35:40 PM
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Hi,

I wanted to switch from bitcoin-qt to multibit. So, I exported all my private keys using dumpprivkey from bitcoin-qt. After importing them to multibit not all btc are shown.

Can anybody image what I did wrong?

Regards
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silvestar
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March 02, 2014, 10:45:32 PM
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Some of your bitcoin is on your change addresses (hidden to you in qt)

w3ida
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March 02, 2014, 10:47:02 PM
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Ok. Any idea how I could access them?
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March 02, 2014, 10:50:15 PM
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Ok. Any idea how I could access them?

Do you still have your bitcoin-qt wallet.dat or any backup?

w3ida
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March 02, 2014, 10:50:50 PM
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Yes
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March 02, 2014, 10:52:13 PM
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Yes

Then it is extremely simple, just send all your bitcoin using qt to an address on your multibit wallet (either an imported one or a newly generated one).


w3ida
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March 02, 2014, 10:55:36 PM
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Then it is extremely simple, just send all your bitcoin using qt to an address on your multibit wallet (either an imported one or a newly generated one).

But then I have to wait until the bitcoin-qt blockchain is fully downloaded, right?! To avoid that, I wanted to switch the client. ;-)
silvestar
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March 02, 2014, 10:56:50 PM
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Then it is extremely simple, just send all your bitcoin using qt to an address on your multibit wallet (either an imported one or a newly generated one).

But then I have to wait until the bitcoin-qt blockchain is fully downloaded, right?! To avoid that, I wanted to switch the client. ;-)

Try this then.
Upload your wallet.dat here (https://blockchain.info/wallet/import-wallet) and send all your bitcoin to an address on your new multibit wallet.

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March 02, 2014, 11:34:52 PM
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There is no possibility to export the "keys" of the change addresses to import them to multibit? I do not feel comfortable to upload them to a 3rd party.
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March 02, 2014, 11:52:49 PM
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There is no possibility to export the "keys" of the change addresses to import them to multibit?

You can try pywallet then.
https://github.com/jackjack-jj/pywallet

w3ida
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March 03, 2014, 09:48:28 AM
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Thanks! Unfortunately it does not work.

Is there a possibility to export the changed addresses via console?
Wanesst
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March 03, 2014, 10:40:52 AM
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I'm in the same situation. Are some of my bitcoin is on my change addresses, or they are lost?

w3ida
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March 03, 2014, 10:45:39 AM
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If you have a backup of your wallet.dat they are still there
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March 03, 2014, 12:44:06 PM
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Thanks! Unfortunately it does not work.

Is there a possibility to export the changed addresses via console?


Enter "listunspent" in the RPC console, it should give you all addresses with positive balance.
You can then export/import each private key one by one, but it will take lots of time and clicking if you have hundreds of change addresses. Smiley

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March 03, 2014, 01:40:02 PM
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I just had a few addresses so this should work for me. :-)
I will test it today and give a reply.

So first enter listunspent and then using dumpprivkey to get the keys for the addresses?!


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March 03, 2014, 01:51:31 PM
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btw: I already tried to use listaddressgroupings but I was unable to export the privkey for every address (only for my "real"-addresses but not for the change addresses)
w3ida
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March 03, 2014, 02:21:26 PM
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Ok, I tried it but I am not able to dumpprivkey the change-addresses. Bitcoinqt always gives me an error.
DannyHamilton
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March 03, 2014, 03:47:26 PM
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Ok, I tried it but I am not able to dumpprivkey the change-addresses. Bitcoinqt always gives me an error.

This should work.  I've done it many times.

Is your wallet password protected?  If so, you'll need to use walletpassphrase before using dumpprivkey.

Are you certain that you are copying the addresses from listunspent correctly?

w3ida
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March 03, 2014, 03:52:02 PM
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This should work.  I've done it many times.

Is your wallet password protected?  If so, you'll need to use walletpassphrase before using dumpprivkey.

Are you certain that you are copying the addresses from listunspent correctly?


Yes, the wallet is encrypted. I'll try it again. :-)

Thanks for your help!
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March 03, 2014, 04:59:48 PM
 #20

Then it is extremely simple, just send all your bitcoin using qt to an address on your multibit wallet (either an imported one or a newly generated one).

But then I have to wait until the bitcoin-qt blockchain is fully downloaded, right?! To avoid that, I wanted to switch the client. ;-)

You might have to wait until it syncs anyway to use listunspent.

Guide to armory offline install on USB key:  https://bitcointalk.org/index.php?topic=241730.0
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