How to Import and Export Bitcoin Private Keys

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A wallet backup is a copy of your Bitcoin wallet or your wallet's private keys that you can use to recover your bitcoin if something bad happens to your original wallet file. No, MultiBit Classic does this automatically in the background using special files that are described in detail in the File descriptions article.

These files can often be used to recover your wallet automatically should a problem occur. MultiBit Classic will place the backup files in a sub-directory created in the bitcoin backup wallet file directory as wherever you created the wallet.

Backups only work if you have access to them. If you rely bitcoin backup wallet file the default location for wallet backups then you are at risk if your computer is stolen or damaged beyond recovery. A good backup is a copy of your wallet file that you store off your computer.

That way if something happens to your computer you still have access to the backups. IT professionals have a saying: You can restore from a private key export using these instructions. You should try MultiBit HD so that you can take advantage of greatly improved backups and other features.

Back to Table of Contents Wallet backups What is a wallet backup? Do I have to enable it? The backups are encrypted the same as the original wallet. I want my bitcoin to be safe. What do you recommend?

At the very least you should have the following in place: Encrypted wallets to prevent others from accessing the data A new wallet created in a directory that is regularly backed up SpiderOak, Dropbox, Carbonite, Time Machine etc A USB stick with additional copies of the private keys in case your machine is bitcoin backup wallet file and you forget your backup account password Each time a new receiving address is generated a new private key is made which must be backed up.

You must use encrypted wallets if you are storing them off your computer. My wallet was lost but I have a backup.

How can I restore it? You can restore from a backup bitcoin backup wallet file follows: My wallet is encrypted but it's on my machine. How can I move it? Please refer to the moving a wallet article. Is there a better way to handle backups?

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If your computer is lost, stolen or damaged, or you accidentally delete your MultiBit HD information, then you will need to restore a wallet. To restore your wallet and recover your bitcoin, you must have your wallet words.

With your wallet words, you can recover your bitcoin. You must keep your wallet words safe, because anyone who knows your wallet words can steal your bitcoin. A wallet backup is an encrypted copy of your Bitcoin wallet. Provided you know your wallet words you can use a wallet backup to recover, in addition to your bitcoin:. If you followed the instructions in the getting started guide then you created a cloud backup service that continuously uploaded your encrypted wallet files to a server somewhere in the cloud.

Locate the folder on your computer that is now a copy of your cloud backup folder. If you don't have a backup but you do have your wallet words then you will be able to recover your bitcoin and any transactions present on the block chain. However, without a wallet backup, you will not be able to restore all the extra information such as contacts, notes, payment history, currencies and exchange rates.

From the unlock screen click the "Restore" button and follow the instructions on the MultiBit HD screen. Because if you could, anyone could. If your cloud-based backup leaked out of the cloud and onto a thief's computer, the thief could steal all your bitcoin. To restore your wallet, and recover your bitcoin, you must have your wallet words.

An alternative and more private approach to a single "Empty wallet" would be to split your overall balance over several smaller transactions made to different receiving addresses from the new wallet. This would help to disguise your balance and allow you to test the process with smaller spends. The final spend should use Tools Empty wallet so that an optimal miner's fee selection can be made and correctly zero your balance.

You can also use Manage wallet Edit wallet to provide a note indicating that the wallet words are lost and you should avoid using that wallet for day to day use in the future.

Back to Table of Contents Restoring a wallet If your computer is lost, stolen or damaged, or you accidentally delete your MultiBit HD information, then you will need to restore a wallet.

Step 1 - Locate your wallet words To restore your wallet and recover your bitcoin, you must have your wallet words. Step 2 - Locate your wallet backup folder A wallet backup is an encrypted copy of your Bitcoin wallet.

Provided you know your wallet words you can use a wallet backup to recover, in addition to your bitcoin: Step 3 - Start the restore process From the unlock screen click the "Restore" button and follow the instructions on the MultiBit HD screen. Frequently asked questions If I lost my wallet words why can't I recover my bitcoin with just a backup? I've lost my wallet words but my wallet still works what should I do? Sweep your bitcoin to a new wallet immediately. Here is the procedure: Create a new wallet using the Create button on the Unlock screen Make sure you write down your wallet words and date stamp as usual Unlock the new wallet and wait for sync to finish Create a new receiving address and copy it to the clipboard - you don't need an amount.

Note the first and last parts of the address. Related articles Restore a password Wallet backups Empty wallet.