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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Restore wallet.dat on windows 8

How do I use my wallet.dat on my windows 8 bitcoin qt? Someone posted this C:\Documents and Settings\YourUserName\Application data\Bitcoin (XP) C:\Users\YourUserName\Appdata\Roaming\Bitcoin (Vista ...
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1answer
42 views

Multibit saving after transaction - what do wallet private key backups look like, if they exist?

I sent some bitcoins from a multibit wallet to another wallet. I recently realized that the change not sent in this transaction is sent to a new address. This means I didn't back up the key of this ...
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2answers
67 views

How do I recover newly created bitcoin addresses from an older wallet.dat?

I had a bitcoin wallet and several other coins' wallets on my laptop and did a backup for my wallets several months before the laptop died. Between that time, I had created several new bitcoin ...
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1answer
33 views

One private key in different locations?

Can I still use my key pair to receive and send bitcoins, even if I imported the private key in another location? I wondered about this, when I planned to import a backup of my online wallet in a ...
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1answer
48 views

Can i limit the back-up data in wallet.dat?

I want to know is it possible to back-up manually from wallet.dat, consider i am running Dogecoin daemon locally scenario: say user(user1) have some dogecoin balance in addr1 and another user(user2) ...
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43 views

Backup wallet.dat before running new commands

I know this question has been asked many times but I still have questions regarding the Bitcoin wallet.dat backup (please don't mark it as duplicate :) ). I've installed the bitcoind with ...
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1answer
279 views

What happens if I delete wallet.dat?

I have this question, say I have my coins in my local wallet and 1 of 2 things can happen, say I somehow delete the wallet.dat file or some kind of malware deletes the file. I have the password ...
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2answers
261 views

Bitcoin-qt data on external drive

I have done the instructions listed here: How to move Bitcoin data from Application Support on external drive [mac] It works fine for a flash drive connected the mac, but I wanted to have the data ...
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1answer
229 views

Recover a bitcoin wallet in Hive

I've recently reformatted my Mac, and reinstalled Hive. I have a back up to Dropbox option enabled in Hive, and my old bitcoin wallet file is there. But I cannot find any way to recover my old bitcoin ...
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1answer
37 views

Restore New Funds after Blockchain Backup

If I transfer money into my Blockchain account after receiving my Json wallet backup by email, would it restore recently added funds?
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0answers
20 views

How do I import a backup of my Mac Wallet

I'm using an application called Mac Wallet. All of a sudden, it says my wallet is open (although I know I locked it) and when I try to protect it with a password, it says it's done but it still shows ...
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2answers
174 views

How do I test my wallet backup?

I follow the instructions for wallet backup and save them digitally. What's a convenient way to occasionally test my wallet backup. I want to make sure that I'm not doing something stupid & my ...
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1answer
308 views

I want to use another wallet.dat file with bitcoin-qt. Is this possible?

my situation is the following: I have a laptop with not much space on disk and therefore using bitcoin on a stick (I start bitcoin-qt with the argument "-datadir=location/to/stick). Now I wanted to ...
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2answers
674 views

Is it sufficient to backup the private keys of my android Dogecoin Wallet?

I installed the langhans Dogecoin Wallet on my android device and backed up my private keys. Is it sufficient to backup the wallet to avert loss in case of loss of or damage to the phone?
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1answer
2k views

How can I restore my dogecoin wallet (android client)

How can I restore my dogecoin wallet backup? It was created by the dogecoin android client and lives in my Google Drive account. This question already exists, but no answer is given for Android (and ...
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2answers
364 views

If I backup my wallet.dat once, am I forever safe?

I have a dogecoin (though should be similar to bitcoin/altcoins) wallet and I encrypted and backed up my wallet.dat file to a few different places (different cloud providers). Now, assuming I never ...
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1answer
91 views

Backup wallet of single account

As far as i know that online wallets as Blockchain.info is a Bitcoind instance that gives each user an Account and each account related to multiple addresses through JSON-RPC calls, how ...
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2answers
2k views

Backing up my bitcoin wallet - is wallet.dat all I care about?

I know that there are many duplicates of this but I'm hoping that the way in which I word this explains and helps not just me, but others as well. In any of the coin wallet bitcoin and the alt ...
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3answers
90 views

What do I need to do to protect my wallet on my computer? [duplicate]

I am using Multibit. How to overcome if my computer burns off?
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1answer
105 views

How to keep Bitcions when reinstalling OS from fresh

I have the official Bitcoin wallet and I would like to do a fresh install of everything on the computer. How can I save my Bitcoins (and hopefully block chain)?
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1answer
70 views

What is happening after backup?

Let's say I have a wallet backup burned on a CD. In that moment I have 10 coins. And I start to make transactions. Then my hard-drive crashes and in the moment of crash I have 20 coins. When I restore ...
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2answers
129 views

Android Bitcoin Wallet - change addresses and key backup

I've had the Android bitcoin walllet for some time. When I installed it I was assigned some public address/key. I have made various transactions in and out of the wallet but as fas as I can telll the ...
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0answers
109 views

What to backup to save my coins? [duplicate]

Do I have to backup only wallet.dat or should I backup anything else to have my coins safe?
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1answer
3k views

How to recover an old wallet.dat file

Back in 2011 when bitcoin started to make the news, I created a wallet and let it run for a bit (no pun intended). It almost fried my computer so I stopped. In the process, I think I remember I mined ...
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39 views

Unconfirmed Transaction after Backup

I sent my bitcoins from one account to a new account I created. The original account was on a Mac Mini, the new account was on a MacBook Pro. The MBP dies and I am on a new MBP reinitialized using a ...
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1answer
811 views

Restore encrypted wallet

I need to restore a wallet created with bitcoin-qt which was encrypted. I have the encrypted wallet.dat file only. Do I restore this simply by replacing the current wallet.dat with my backup ...
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2answers
1k views

How to obtain the private key of an Armory wallet?

I have a paper backup, a digital wallet backup and all the passwords: how do I retrieve the private key for a watch-only wallet so I can send some coins out of it (created in armory and imported into, ...
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1answer
128 views

Sequence of events that can cause lost money in MultiBit

If you create a new address in MultiBit, then transferred money to the new address before the wallet was backed up, then your hard drive crashed, will you lose the money? The first Bitcoin client had ...
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2answers
192 views

What situations will you lose your bitcoins during backup?

I read this paragraph from bitcoin.it but I don't get it completely. The wallet contains a pool of queued keys. By default there are 100 keys in the key pool. The size of the pool is ...
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1answer
658 views

I had $1000 on an encrypted wallet and need to restore it on bitcoin qt

I reinstalled windows7, but luckily it saved my old windows in windows.old plus i backed up encrypted wallet to external device. How exactly do I restore it?
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0answers
108 views

I am buying a better computer - how do I change my e wallet to that machine?

I need a quicker stationary computer but am scared of losing the coins in that bit wallet being new to bitcoin, Perhaps I can use it on my laptop? I loaded a bitcoin wallet onto my laptop months ago ...
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0answers
196 views

Have I backed up my wallet sufficiently?

Sorry for the newb question, but I'm trying to make sure I'm backing up my bitcoin wallet sufficiently. I only have about $60.00 worth, so I'm not looking for super secure encryption or anything... ...
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1answer
117 views

Multibit backup created partial transactions

Here's what happened. I took backup of the following: savings.wallet savings.info savings-data (and all its contents) Then I connected to internet, started my MultiBit. The wallet was open ...
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2answers
1k views

Advice on running two wallets please

Could anyone tell me please if it is possible to run two versions of the Bitcoin qt client independently on the same pc? The reason I ask is that I wish to make a bitcoin gift to someone on a USB ...
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3answers
232 views

if my wallet is sufficiently secure, can I ever lose my coins?

I've made an offline address and only have the key stored on 2 encrypted flash drives stored in different locations with the private key written physically on paper and stored in 2 locations. Do I ...
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2answers
348 views

If your wallet.dat back up is outdated, do you lose your coins since the back-up?

My last back up of wallet.dat was from the beginning of the year. My computer crashed recently and I don't have the most recent wallet.dat after receiving bitcoins. If I use my outdated wallet.dat, do ...
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2answers
2k views

How frequently should one update wallet backup?

How frequently should one update a wallet.dat file backup?
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1answer
2k views

Can I check balance of wallet.dat without downloading the block chain?

I have bitcoin associated with a wallet that I am now moving from a server to external storage for backup. As far as I know, all I need to do is copy the wallet.dat file to external storage and I'm ...
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4answers
638 views

Backing up wallet with pen and paper, destroying electronic copy, restoring from keyboard — how?

I have bitcoinQT with some coins on it. I want to use the internet on a regular basis from this computer. I do not trust the authors of internet applications and commercial operating systems. I ...
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3answers
2k views

Is it possible to make a paper wallet out of a bitcoin-qt wallet?

I have a single bitcoin address with all my savings on it. I want to make a paper backup for precaution (as if my hard drive somehow exploded) with that specific address. Is that possible? Keep in ...
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1answer
3k views

What is the wallet in MultiBit?

What is the actual wallet? The slight confusion comes from the install note - "Backup all your wallets. You can do this by exporting your private keys using 'Tools | Export Private Keys'." If a ...
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1answer
803 views

Do i delete the Bitcoin folder & data directory in Appdata after i copy it on an encrypted drive?

I am trying to complete the instructions described here https://en.bitcoin.it/wiki/Securing_your_wallet#Windows . I have already done the Truecrypt part and installed the Bitcoin client. But i have ...
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2answers
4k views

Public Key + Private Key enough to backup?

I invested in bitcoins and unfortunately I have problems to understand the system. Perhaps you can answer me the following questions? 1.a) I know my public and my private key. Do I still have to ...
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1answer
76 views

What actions trigger the need to obtain a new backup with Blockchain.info/wallet?

Other clients, including Bitcoin-Qt, use a key pool so that a backup is still valid for a while. Blockchain.info/wallet doesn't use a key pool. After a backup of the wallet is obtained and archived, ...
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2answers
345 views

Paper backup from Armory that requires a password?

I'd like to make a paper backup of my Armory wallet that will still require a password to recover. Right now it seems that the paper backup is not encrypted.
5
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2answers
5k views

What other wallets can import Qt's backup .dat file?

I've been using Bitcoin Qt on my work computer (my only working computer at the moment) but last week Windows 7 decided that the program's bypassing the firewall to download the blockchain was a ...
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1answer
460 views

wallet.dat backup and 100 pregenerated keys [duplicate]

Reading about the "change" addresses and doing "wallet.dat" backups, I keep reading that -by default- bitcoin-qt generates 100 keys and use them when you need a new address. My question is this: what ...
5
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1answer
335 views

Keeping a portable long-term offline wallet

I'd like to keep some bitcoins as a long-term investment - store them to a pen drive which I stash in some safe place, or otherwise backup it securely, then remove all traces from my online computer ...
6
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1answer
711 views

Do I need to backup a wallet every time I generate a new address?

This question concerns the Armory client. Since Armory has deterministic wallets, do I only need to back up a wallet one time (after creation), or do I need to back it up each time I create a new ...
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830 views

Importing a backed-up encrypted wallet.dat

I have bitcoin-qt-0.8.1-beta installed on a computer. I also have another computer in which I'd like to share the same wallet. First, for backup purposes, I have exported the wallet into a backup ...