How to back up and restore a Bitcoin wallet

What you will learn

• What a self-custody wallet backup actually is.
• Why the backup is not the same thing as your phone or wallet app.
• How to find Export/Backup in BlueWallet.
• How to record a recovery phrase without turning it into an easy-to-copy digital file.
• What you should never do with your recovery phrase.
• How restoration works on a new or clean installation.
• What to check after a restore.
• What changes if you use a passphrase, hardware wallet, or different wallet software.

First: what are you actually backing up?

You are not backing up the bitcoin themselves as if they were photos or files. Bitcoin remains recorded on the Bitcoin network. What you need for recovery is the wallet backup — usually the recovery phrase — which allows the wallet to recreate your keys and addresses.

Recovery phrase: the main backup for many wallets

Many self-custody wallets use a recovery phrase, commonly 12 or 24 words. The order of the words is part of the backup. A wrong word or a different order can produce a different wallet or make recovery fail.

BlueWallet example: where to find the backup

In the current BlueWallet flow, open the wallet you want to back up, tap the ⋯ menu in the top-right corner, open Wallet details, and choose Export/Backup. That screen shows the recovery information for that specific wallet.

How to record the words correctly

Write the words exactly as shown and in the correct order. Check them a second time before closing the screen. For a simple mobile wallet, a clear offline paper copy is a reasonable starting point. For long-term storage, some people use a more durable physical medium such as metal.

• Write every word clearly and keep the numbering correct.
• Check the full list again from beginning to end.
• Store it somewhere separate from the phone itself.
• If you create a second physical copy, make sure it does not unnecessarily increase the chance that someone else finds it.

What not to do

One of the biggest mistakes is turning an offline secret into an easily copied digital file.

What if your phone is lost or damaged?

If you have a correct backup, losing the device does not automatically mean losing the bitcoin. Install a compatible wallet on a device you trust, choose Import or Restore, and use the backup to recreate access.

Recovery example in BlueWallet

From the BlueWallet home screen, tap + and then Import wallet. For a recovery phrase, enter the words in the correct order and continue with Import. If you are restoring a wallet that contains bitcoin, do this only on a device you trust.

After the restore: what to check

Once the import finishes, do not rush into a transaction. First verify that you are looking at the wallet you expected.

• The expected balance or the correct transaction history.
• Addresses you recognize, where that is practical.
• That you imported the correct wallet rather than a different backup.
• That you did not forget any BIP39 passphrase used by the original wallet.

Restored the wallet but the balance looks wrong?

That does not necessarily mean bitcoin is gone. If the backup came from different wallet software, recovery may require a different account or derivation path. Also, if the original wallet used a BIP39 passphrase, the same recovery phrase without the correct passphrase produces a different wallet.

Recovery phrase, app password, and passphrase are different things

What if you use a hardware wallet?

The backup principle is similar, but recovery should follow the hardware wallet manufacturer’s instructions. Do not routinely enter a hardware wallet seed into a mobile or web wallet, because that turns a previously isolated secret into a hot-wallet secret.

How to learn the recovery process without risking funds

The safest way to learn is with a brand-new demo wallet containing no money. Create it, write the demo backup on paper, remove it from the test device only if you understand the consequences, then import it again. You learn the workflow without exposing your real wallet.

What you achieved

You now understand the basic security chain of a self-custody wallet: the wallet is the tool, the Bitcoin network holds the public state, and the backup is what lets you recreate access. BlueWallet was the practical example — the principle is broader.

Frequently asked questions