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Using bitcoin-qt, multibit, or any of the others, how do I backup and save my wallet in case I need to reinstall Windows?

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Possibly related - – ThePiachu Jun 20 '12 at 22:38


  • open the File menu
  • click Backup Wallet...
  • select a file to save the backup as



You can export your private keys from a MultiBit wallet into a file (using the 'Tools | Export private keys' option) and, as long as you do not manually create new receiving addresses, you can use the private key file as a backup for the wallet.



Not only are the wallets determinstic, but there is a built-in dialog for printing permanent copies of your wallet. When you first create your wallet, make sure your printer is on and click the “Paper Backup” checkbox.



You do not need to perform regular backups, because your wallet can be recovered from a secret phrase that you can memorize or write on paper.

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