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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38 views

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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bitcoin-core/packaging (SNAP version) BACKUP

When I introduce this sentence: bitcoin-core.cli backupwallet wallet.backup it appears the following error: error code: -4 error message: Error: Wallet backup failed! why? When I try to make a ...
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106 views

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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31 views

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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1answer
422 views

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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715 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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66 views

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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318 views

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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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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188 views

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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77 views

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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425 views

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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115 views

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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2answers
1k views

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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1answer
68 views

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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51 views

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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2answers
61 views

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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55 views

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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394 views

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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109 views

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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147 views

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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58 views

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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168 views

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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2k views

Back-up a Coinbase wallet?

Yes I am a newbie trying to get started with Coinbase. I have created a wallet and it seems there is no way to back-up that wallet for safety reasons. I am still confused, can I send an amount from ...
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98 views

Can I log-in to my wallet on new PC using just my wallet number and passphrase? [closed]

I was into bitcoin years back. I just stumbled upon my wallet number and passphrase. Can I use these info and sort of log-in using any client I can download online?
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What is the minimum that has to be backed up on a cryptocurrency wallet (technically)?

Is the seed enough? Doesnt it require the seed AND the adresses to access your assets, since the root key and therefore all private keys are generated by the seed? Does it generate the private key ...
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552 views

Where is seed in Bitcoin Core in comparison to Bread Wallet

Im new to Bitcoin. I know the main software of bitcoin is Bitcoin Core. Recently i started using an iOS wallet called Bread. Its very simple! It gives me a 12 word key and says your master private key ...
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2answers
374 views

How much space does a backup of a wallet usually take?

I have a Bitcoin QT v0.8.5-beta wallet (downloaded in 2013) which I will backup before trying to export the private keys to a Electrum wallet. I have found a backup button in the QT wallet, but it ...
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78 views

How to spend from the “master_private_key”: “df484533kf5mzv83892a234a44ae9z83m832987a82mqwmdkks018121204v95las9"

I made a backup of an outdated command line interface BTC wallet, here is an example: "master_private_key": “df484533kf5mzv83892a234a44ae9z83m832987a82mqwmdkks018121204v95las9" How can I import this ...
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4answers
148 views

Where to store coins while I do a factory reset on my computer?

My Macbook is having some issues and I have a desktop wallet on it for Bitcoin, Litecoin and Ripple. I have been told to completely redo my laptop with a factory reset. How can I move or save these ...
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2answers
655 views

Backing up Bitcoin using only private keys?

So I'm really new to Bitcoin and cryptocurrencies, and I don't truly understand realtion between Bitcoin private and public key, and address! I understand that for every private key, there is a ...
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1answer
594 views

How to properly backup a address with private key after 'addwitnessaddress' command

I've received my balance to my addresss that starts with 3 which is after 'addwitnessaddress' command. I'd like to know that how do I properly backup my balance to keep safety. Bitcoin Core has a ...
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206 views

What can I do if I suspect that my Mycelium word list backup has been compromised?

When creating a backup with the Mycelium app, it gives me a list of 12 words which are used as some form of seed which I am supposed to write down and store in a safe place. Anyone with access to this ...
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105 views

Passing bitcoins on to heirs

What's the most foolproof way to ensure your bitcoins can be passed on safely to your heirs in the event of your death? Note this question has two levels of difficulty: safely passing on bitcoins to ...
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1answer
1k views

Backing up an Electrum wallet

I have just installed an Electrum wallet on my Ubuntu machine, and transferred some funds into it. I wish to back up the wallet, so if my computer is dead or stolen, say, I will be able to install ...
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1answer
844 views

How to do paper backup and restore for bitcoin core

Since bitcoin core is HD wallet, it should be possible to make "seed" like backup for it and there should be way to restore the wallet from it as well. I know there is dumpprivkey, but it needs to be ...
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91 views

Do I have to make a back up copy every time I make a transaction? [closed]

In other words when I make another transaction but I only have the original backup when I restore the backup does it only show the amount from my original transaction or will it be updated to the ...
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1k views

How do I restore a Lightning Node with active channels that has crashed causing data loss? Is it similar to restoring a Bitcoin wallet?

If my lightning node crashes after receiving payments (but before I have closed the channel) can I recover my funds? What happens if I do not have backups of all the channel updates? Is the ...
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How do Ledger Backups get stored?

Scenario Say you have configured a ledger wallet with 10 BTC and 10 ETH. You then lose this said wallet but you have the 24 unique words. You buy another ledger wallet enter the 24 words and BAM, ...
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100 views

Would backing up my private key be enough?

Lets say I put my wallet's private key on a rocket and fire it towards mars. In 50 years time I travel to mars for a cheap vacation and find my private key. Would I then have full access to my ...
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301 views

Paper wallet creation, how safe is this approach? [duplicate]

I would like to create several paper wallets for different crypto currencies. Now I've read through a lot of manuals and I tried to install this Ubuntu version on a USB stick which I wanted to boot on ...
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560 views

How to backup paper wallet digitally

I'd like to move some bitcoin off an exchange and into a paper wallet for long term storage, but looking for ways to backup the keys in case of theft/fire/stupidity. My thought was to (on a new ...