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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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Can we reset or forgot second password of the blockchain account via backup phrases or any other tricks?

Can we reset or forgot second password of the blockchain account ?
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1answer
21 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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34 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
41 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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1answer
38 views

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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0answers
87 views

Older Android Bitcoin Wallet Backup, Bitcoins lost because of transactions done afterwards?

I use the Android Bitcoin Wallet App (https://play.google.com/store/apps/details?id=de.schildbach.wallet). I have an old backup from my wallet and also still know the password. My old phone crashed ...
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2answers
43 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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136 views

Problem by import of a wallet.dat from 2011

I mined some BTC in 2011. Then I did nothing withem beside doing a backup of wallet.dat and uninstall the bitcoin client. Now after years i reinstalled bitcoin core client, download the whole ...
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2answers
43 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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2answers
42 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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0answers
63 views

I found an old android wallet backup file from 2013, but can't restore it

I recently found an old wallet backup file called "bitcoin-wallet-keys-2013-06-01-android-sgs2" I tried to restore it with the schildbach-wallet but it will not recognize the file, i.e. I cannot ...
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1answer
149 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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1answer
44 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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2answers
99 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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1answer
45 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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0answers
126 views

can an unconfirmed BTC transaction cancelled?

I was sent a payment to my btc wallet and they took screenshot of it being zero pending confirmation, i waited for hours and went ahead and track the transaction but blockchain says no transaction to ...
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1answer
98 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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2answers
1k 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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19 views

blockchain.info recovery failed wtih passphrase, can I recover walet with phone files that were saved to external hard drive?

I copied the files on my phone to an external hard drive in case something happened to my phone. Can I recover my blockchain.info wallet with those files?
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1answer
69 views

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

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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1answer
46 views

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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0answers
37 views

Backup mycelium wallet from unused smartphone

I have an mycelium wallet with some bitcoin on a smartphone that no longer has phone service. It says on the phone it needs to be backed up. Should it be connected to the internet to do that? Doesn’t ...
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0answers
109 views

QT Core wallet. Will earlier passphrases still work with their corresponding backup?

Bitcoin QT and Bitcoin Core Wallet question regarding chronology of backups with differing passphrases. I have a chronological series of backups with differing passphrases. When loading an earlier ...
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1answer
317 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
253 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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0answers
39 views

how to get private key in bitcoin-core [duplicate]

I would like to backup my bitcoin wallet. I know about File->backup wallet on USB. But I would like to print private key on paper becouse USB can corrupted and can be infected by virus. So I'm ...
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1answer
64 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
108 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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1answer
404 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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0answers
272 views

Old wallet backup filename

Years ago I forgot the password of a wallet, and didn't care much about it because its value was low anyway. A few months ago I suddenly remembered a likely password, but now I'd have to find the ...
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1answer
301 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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1answer
117 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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0answers
91 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
452 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
484 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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1answer
68 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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2answers
3k views

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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1answer
92 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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1answer
258 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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1answer
475 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 ...
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2answers
721 views

Is it possible to use the same BIP39 list of seed words to create addresses for different crypto assets?

Currently, as a matter of convenience, I'm holding small about of crypto assets on various exchanges. It's not ideal - I'd much rather store them locally, have access to the private keys, be in full ...
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1answer
297 views

Cryptocurrency Wallet Seed - mental backup?

Ok, so let's say I use a wallet that gave me a 12 word string as a seed. And I want to do a paper and "mental" backup - will write it down and will memorize the words. Where is the itch? Well, the ...
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1answer
138 views

Unable to access Wallet in Multibit HD - currupt password

After my computer died and was rebuilt I'm trying to restore access to my bitcoin wallet. I have my wallet words with I've confirmed are correct as I've used them in the past. I try to restore my ...
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0answers
234 views

Transferring wallet.dat from PC to Raspberry PI

I have the Stratis QT sofware running on my computer. I also have a working version of stratisd running on a raspberry pi, which I set up following this tutorial If I try to swap my wallet.dat on my ...
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1answer
256 views

How can I get back my bitcoin from a backup folder

I want to restore my bitcoin wallet which backup in 2013, I have the backup folder and a password(not secure words). Anyone know how to do?
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1answer
9k views

How do I retrieve my backed up wallet to Bitcoin Core?

I backed up my Bitcoin wallet on a drive for safety. Luck has it that my computer crashed. So now I downloaded Bitcoin Core, but do not how to retrieve my backup. Please help. thanks
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2answers
63 views

Removing Bitcoin from my phone to secure storage

I am using the following Bitcoin wallet for Android: https://github.com/bitcoin-wallet/bitcoin-wallet My device is encrypted and I have encrypted backup files on Google Drive. However, I'd like to ...
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2answers
3k views

How can I recover my MultiBit HD wallet words?

I have problem with MultiBit HD. Its balance changed to an unconfirmed transaction just like in this bug report. It appears that I need to use my wallet words to recover the balance, but I have lost (...
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2answers
338 views

What would happen to my bitcoins?

I have a Bitcoin wallet for android and I would like to know what happens if I back up the wallet and restore it in other phone. Will I be able to use the bitcoins in both devices? Thanks in advance
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1answer
40 views

Move BC before/after reformatting

I plan on reformatting my main drive. I did this once before and of course lost access to my Bitcoin Core wallet and the Bitcoins therein. Does anybody know how I can go about transferring my ...