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Author Topic: Move bitcoin wallet from one computer to another?  (Read 33645 times)
wootwoot
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April 11, 2011, 10:25:01 PM
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I have a new computer and I'm trying to figure out how to move my bitcoin wallet over to this new machine. How can I accomplish this?
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Garrett Burgwardt
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April 11, 2011, 11:42:45 PM
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https://en.bitcoin.it/wiki/Securing_your_wallet#Locating_BitCoin_s_data_directory

Copy the wallet from that directory on the old computer to the new one, then run the bitcoin client with the -rescan switch.
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April 12, 2011, 02:57:00 AM
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For anyone googling this in the future - note that the -rescan switch was added in the 3.20 client, I ran into problems when I was working with two wallets because I was using the 3.19 client and trying to use -rescan.
Pieter Wuille
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April 12, 2011, 06:23:27 PM
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For older clients you need to delete blk0001.dat and blkindex.dat, and let it redownload the block chain...

aka sipa, core dev team

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April 13, 2011, 12:25:05 AM
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Do people ever transfer BTC by just mailing someone a wallet.dat?

Stephen Gornick
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April 13, 2011, 09:51:45 PM
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Do people ever transfer BTC by just mailing someone a wallet.dat?

You'ld want to encrypt it first -- using TrueCrypt, for example, and then send only the encrypted archive:
  http://en.bitcoin.it/wiki/Securing_your_wallet

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November 23, 2013, 03:36:32 AM
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Is it true, that nowadays (after version 0.3.2), you can just copy the wallet to the new location - without --reindex or deleting the bulk datas?
deepceleron
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November 23, 2013, 03:42:22 AM
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You'll want to just copy the whole Bitcoin data directory with the wallet.dat and subdirectories, so you don't have to download the blockchain again.

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November 23, 2013, 09:12:17 AM
 #9

And what should I do if i have a webserver and want to keep the offline time low? I cant wait until some GB are transferred between the server.. Or is there no other stable possibility?
deepceleron
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November 23, 2013, 09:18:03 AM
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Just closing bitcoin, copying the wallet.dat (after moving but not deleting any previous important wallet), and restarting with the bitcoind -rescan option is sufficient to move a wallet to another machine. If you don't already have a blockchain downloaded, it will be a long time before that bitcoin is ready though; copying an existing complete 12GB datadir can save a day of re-downloading and processing the blockchain.

I can't think of many scenarios outside of restoring a backup where you'd put an existing wallet.dat up on a server.

fr0sties
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November 23, 2013, 09:28:35 AM
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use online wallet

Barek
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November 23, 2013, 09:48:01 AM
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You could also just transfer the coins to a new wallet on the new machine.
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November 23, 2013, 10:29:44 AM
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Its because of a migration to a bigger server. And I need the wallet because there are multiple "user accounts" inside...
How long does it take to rescan in general?
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November 23, 2013, 10:33:08 AM
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About 10 minutes on a normal wallet and PC. Longer for many addresses in the wallet and on a slow CPU. You don't need to rescan as long as there is no chance that wallet received payments while it was "down".

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November 23, 2013, 10:42:11 AM
 #15

Ah, i see - thanks a lot!
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