Questions tagged [backup]

The process of copying one or more files to an alternate location for safekeeping. Typically refers to the copying of Bitcoin's wallet.dat file but may also refer to the built-in JSON API command to perform such a backup.

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How does bitcoin wallet's backup restore forwarding transactions?

I've installed bitcoin wallet on my phone and had some transactions. I backed up my wallet and after backing up did some another transactions. I supposed that the back up just would restore my wallet ...
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Bitcoin core imported wallet

I have a friend that has an issue with his core: He generated a wallet with coldcard, imported in bitcoin core.. received on both bech32 addresses and nested ones. Lost access to that pc and now when ...
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Would it be possible to not be able to send funds from a wallet?

I was reading this blog post by Jameson Lopp on the best practices to back up a seed phrase https://blog.lopp.net/how-to-back-up-a-seed-phrase/ In the "Test your backup section", he wrote: &...
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BIP85: Is the list of mnemonic sentences deterministically ordered?

There aren't many working implementations of BIP85 yet. Ian Coleman's, Grondilu just added support to their Bitcoin Bash Tools, COLDCARDwallet, AirGap Vault and the Python demonstration library https:/...
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Restore blockchain.com wallet(s) in case the company goes away?

So I have some funds on an blockchain.com wallet. Actually it's multiple wallets (some ETH, some BTC) I followed the backup procedure and wrote 12 English words on a sheet of paper. There is an answer ...
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Replicate bitcoin core for backup

I want to know if possible to have the same bitcoin core and his same wallet running at the same time in two different machines, can I use the same RPC user/pass, I have o machine running but I want ...
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Should I use one `hsm_secret` for both the mainnet and the testnet?

When I launch lightningd it generates hsm_secret in ~/.lightning/bitcoin whereas launching lightningd with network=testnet generates hsm_secret in ~/.lightning/testnet. These two files seem to be ...
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Is it doable to get the private keys from a Bisq wallet?

I do not mean getting the seed phrase - this I've already backed up. I do not see such a possibility from Bisq's GUI. Is it doable to get the private key of a particular address of a Bisq wallet (much ...
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How do I backup wallet for first time

I tried to send Crypto to my brand new digital wallet. I was informed I must backup wallet first. How do I back up my digital wallet for first use?
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How to create a physical/paper backup for bitcoin-core wallet?

I am using bitcoin-core for my offline storage. In electrum I can do a paper backup by writing down the mnemonics. bitcoin-core seems to be using a different mechanism to generate the wallet. What I ...
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How to share your wallet key/seed in case you are hit by a bus

This very useful answer says: Share overlapping parts of your private-key or seed phrase with several family members with instructions on what to do if you are hit by a bus this afternoon. This ...
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Unuseful backup

I know wallet.dat needs to do back up every time after I am going a transaction, 'because the backup will become unuseful. After what else cases do I need to do backup again? What cases do my last ...
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View backed up wallet.dat using sqlite browser

I backed up my wallet.dat using the command as mentioned in the api ref: bitcoin-cli -rpcport=18332 -rpcuser=user -rpcpassword=password backupwallet "/bitcoin/backup.dat" I would like to ...
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What does the Bitcoin Core wallet backup do?

I set a password to encrypt my wallet, all good. But I can't seem to backup my wallet. I try and nothing happens. Does the backup function give me keys or the seed words?
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Paper backup of Core descriptor wallet

As I understand it, using dumpwallet for a non-descriptor wallet in Core will give you the wallet seed in WIF format. This seed can then be used with sethdseed in a new wallet, thereby recovering the ...
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What software can I use to calculate my private key from a seed (e.g. Trezor or Ledger)?

I want to make sure I can use my seed from Trezor or Ledger (or others) in a backup process without using an actual Trezor or Ledger to do it. I have to find out my private key. I probably also need ...
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One seed phrase created two wallets with two script types

I have a wallet on blockchain.com and it is saved with the backup phrase. Due to issues I was not able to buy anything there, so I created an account at coinbase. This lead to the usage of coinbase ...
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In a multisig wallet setup what needs to be backed up and why?

In a multisig wallet setup what needs to be backed up and why?
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Permission denied when attempting to backup wallet using backupwallet

When I call bitcoin@raspberrypi:~ $ bitcoin-cli backupwallet "backup.dat", I get the following error: error code: -4 error message: Error: Wallet backup failed! ~/.bitcoin/debug.log shows ...
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Lost wallet problem: I have a 240 byte file from a 2013 wallet. Can I access bitcoin with this?

I lost the device with my Android Bitcoin Wallet late 2013. At the time, I had stored a 'wallet backup' file. It has no extension, is 240 bytes, and begins with 'U'. With only that file, is it ...
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Does a Bitcoin Core wallet backup cover receiving addresses?

I have a Bitcoin Core wallet installed on my computer (from https://bitcoin.org/en/download). When I create a backup, will it also back up my receiving addresses? For example, I have give my address ...
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bitcoin-qt "backup wallet" vs copying wallet.dat

I am new to bitcoin, I wander what are the differences, and pros/cons (if any) between the file generated by bitcoin-qt when clicking on "backup wallet" vs copying the file "wallet.dat&...
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What's the easiest way to create a backup node?

My node recently had a data corruption and I had to re-sync it which was painful. Presuming I don't use the node as a wallet, what's the easiest way to have a backup with the fully sync'd blockchain? ...
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Cannot open wallet dump file (code-8)

Does anyone know why I can't dump info into a text file? It also doesn't allow me to back up my wallet. i am using SNAP
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is it safe to share the indexes folder between computers?

my understsanding is the indexes folder is created if you have tindex set to 1 and want to keep an index of all transactions. all of the material i've seen (bitcoin core documentation, on this site, ...
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Does restoring wallet.dat require the same paths and configs in servers?

I have a Bitcoin core server (Server 1) which is working well. Now I am testing backing up and restoring its wallet on a new server (Server 2). Imagine that the server 1 has these configs: ...
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6 votes
2 answers
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c-lightning node backup-restore

How do I restore a c-lightning node from a backed up hsm_secret ? I have tried running lightningd by replacing the generated hsm_secret with the backed-up one. It shows no output and no channel. How ...
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2 votes
1 answer
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Backup of a bitcoind wallet using the extended private masterkey only

If I understand correctly, bitcoind makes use of a extended private masterkey in order to deterministically generate private/public keys for a wallet. Using the dumpwallet command, I'm able to get ...
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How to sync my backed up wallet?

I backed up my wallet from computer A. restored the backup on computer B. then I spent some amount of bitcoin from computer A. Now my restored wallet on computer B shows the old balance which is ...
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2 votes
2 answers
3k views

Access Bitcoin Wallet with private key

3 years ago i bought a little bit of Bitcoin. Today i found the private key of my wallet. But I cant access it, I need these 12 words (backup) I dont have. Why cant I access my Bitcoin Wallet with ...
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Cannot recover my wallet [duplicate]

I have an Android backup that I am sure I am using the right password. I have exported the file, and trying to decrypt it with openssl: openssl enc -d -aes-256-cbc -md md5 -a -in ./...
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Question regarding LN node backups

I have LN node running on c-lightning. I am performing ~/.lightning dir backups time-to-time. Let's say after backup i open few new channels and withdraw rest of onchain funds to my electrum. Then i ...
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How do I backup my wallet with bitcoin-cli over RPC?

hendry@knuckles ~ $ bitcoin-cli backupwallet /home/hendry/backup.dat error code: -1 error message: boost::filesystem::status: Permission denied: "/home/hendry/backup.dat" Reddit couldn't help me ...
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How do non-deterministic wallets violate the principle of address reuse?

In chapter 5 of Mastering Bitcoin, Andreas writes: "The disadvantage of random keys is that if you generate many of them you must keep copies of all of them, meaning that the wallet must be backed up ...
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Do wallets save a backup of my private keys and seed?

Let's say that I do not trust a lot in myself and my ability to not screw my computer, so also my private keys. Knowing the concept of wallet HD and having seeds to recover all your private keys ...
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1 vote
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Software wallets and what happen if you break your computer

I've been reading about wallets, web wallets, software wallets, hardware wallets...and there is one question that I could not clear up from other threads: Your bitcoins are stored in the chain. Use ...
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Solar Flare wipes all hard drives... What happens?

Imagine, for a moment, that a massive solar flare wipes out all hard drives on planet Earth. All hard drives are wiped clean and with them all records of the Bitcoin blockchain. Would we be able to ...
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4 votes
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Restore lightning network node/channels

If one wanted to restore a lightning network node, what files have to be saved? I read that saving hsm_secret is enough to restore private key(s), but I also read about a problem with channels. How ...
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5 votes
1 answer
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How to migrate lightning nodes?

I am wondering what steps to take to migrate a lighting node to a different server, keeping the pubkey/identity. The safest option is obviously to close the channels first. How is the identitiy pubkey ...
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2 votes
2 answers
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How to migrate bitcoin node from one computer to another

In my old computer some addresses have bitcoin and it is showing on blockchain. When i am trying to get balance of the same addresses in my new computer where i have synced bitcoin full node ,I ...
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2 votes
1 answer
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How can I access the mnemonic in the mobile copay wallet?

I was encourage to download copay in my phone so that someone could give me 0.001 BTC. In that process I did not write down the 12 words. Is there a way to access them in the app? Thanks.
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How often do I need to backup my Copay wallet? Is a new backup after every transaction necessary?

Is it true that I need to make a backup after each time an amount was sent from a wallet by writing down the 12 words? Unfortunately, I had Copay and saved only before the transaction was sent, and ...
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Lost usb with wallet backups

I was hoping someone would be able to help please?!! I backed up my litecoin core wallet and neo wallet to my usb- today i took that usb out with me since I had other stuff on it too and needed to ...
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2 votes
2 answers
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Making a backup of my wallet

Let's suppose I make a backup of my wallet when it has 0.001 BTC, but then I transfer to it 0.001 BTC more (so at the end it has 0.002 BTC) and then my PC dies... If I restore my wallet it will have ...
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What bitcoin data should I back up?

I have an Electrum bitcoin wallet on my PC. If my house burns and my PC is destroyed and the seed (written on paper) is destroyed, my bitcoins are lost. I want to prevent this situation. What is the ...
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Procedure to restore Bitcoin Core backup

I am looking for the procedure necessary to restore a backup of Bitcoin Core v0.15.1 official release version. Assuming I safely exit Bitcoin Core, take a backup of the ~/.bitcoin folder and put it ...
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Bitcoin Core Offline Reinstallation

It is possible to reinstall Bitcoin Core Offline? I copied all the files to my external HDD. I use Ubuntu. Thanks
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why should I backup zcash wallet regularly

On zcash official website, making regular backups of the wallet is recommended. When I use bitcoin, I have a master private key, and all private keys can be generated using the master key. So I can ...
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Does the backup (Bitcoin QT) saves my BTC if i create thousands of addresses?

I'm using the latest version of Bitcoin QT Just encrypted it and backed it up. If i generate 20.000 addresses, and transfer BTC to this addresses. Would the backup i made recover all my BTC? ...
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Restore backup wallet

In the app "Bitcoin wallet" from " bitcoin wallet developers" you can choose to backup your wallet. It will store this backup on your sd-card. But how can you restore it on another phone? I saved the ...
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