The wallet.dat is the file that allows you to spend money from your Bitcoin account. It is the place where your "private keys" for a corresponding "address" is stored.

learn more… | top users | synonyms

1
vote
1answer
27 views

How in laymans terms do I restore a .dat BTC backed up wallet file on my mac please? [duplicate]

the bitcoin wallet backup.dat file is in my documents but I'm not an advanced computer user I have the complete bitcoin qt on my computer but don't know how to restore from the backup
2
votes
1answer
69 views

Transaction was rejected - Bitcoin QT, recovered wallet.dat

I recently installed a new version of Windows on a new HDD, but I'm having problems getting my old wallet.dat to work. Here's what I've done: Install latest Bitcoin Core. Copied over the blocks and ...
0
votes
0answers
22 views

If I want to run the Bitcoin client from another OS, can I direct Bitcoin to an already downloaded Blockchain on another OS' partition?

I have fast internet, and it wouldn't be too much of a struggle just torrenting the bootstrap.dat, but it would make sense to make use of an already existing blockchain and save space and time. I've ...
0
votes
1answer
112 views

Passphrase lost for my wallet.dat

I need help to unlock my passphrase. I don't remember setting up one, but now there is a pasphrase. Eitherway I am unable to send out coins from my LitecoinQt to the exchange.
1
vote
0answers
26 views

can we create subjective trading platform using bitcoin and smart contract where payments are taken in stages?

Is it possible to create a subjective trading system (for eg: second hand goods like laptops, television cell phones etc) using concepts of bitcoins and smart contracts. Payments on the system would ...
2
votes
1answer
85 views

How can I watch an address on Windows and Android?

I want to be informed of transactions of my Bitcoin address on the Windows and the Android app. Can I use the same Bitcoin address on both? If yes, how can I backup the address on Windows and restore ...
0
votes
1answer
314 views

How can I convert a wallet.aes.json file from Blockchain.info to a wallet.dat file?

I'd like to convert my Blockchain.info wallet to a local Bitcoin-qt wallet. How can I do that? (I am fine with using command line tools.)
1
vote
1answer
124 views

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 ...
0
votes
2answers
121 views

Bitcoin core: why does the wallet file contain transactions?

I really don't understand why the strong coupling here. I mean, whenever I go and make a backup, if there's a new transaction involved, the hash of the backup changes. I wonder why this is. And ...
0
votes
1answer
75 views

How can I find out which wallet belongs to which cryptocoin? [duplicate]

I have multiple decrypted wallets in the same folder. How can I find out which wallet belongs to which cryptocoin? All wallets are named wallet_x.dat, so the name gives no hint. UPDATE: I have no ...
0
votes
1answer
245 views

Import android mobile wallet to desktop

I have an android wallet (The Andreas Schildbach one). Is it possible to import this wallet into my desktop wallet? I would like to be able to manage my funds using my mobile or my desktop - both ...
1
vote
1answer
202 views

How to merge two wallet.dat files

I know about pywallet, about this modification for bitcoind, but what is a simple way to merge two wallets, or export a list of private keys and addresses of all of wallets from litecoin, dogecoin, ...
2
votes
2answers
74 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 ...
2
votes
2answers
1k views

How do I load wallet.dat on new PC and import everything into Electrum?

My primary PC died last month due to what I believe is a motherboard error. My EVGA board displays "FF". The fans, drives, everything powers up as usual. But I don't hear any beep, no POST, no BIOS, ...
0
votes
1answer
59 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. I am running Dogecoin daemon locally. Scenario: say user (user1) have some dogecoin balance in addr1 another user (user2) have ...
2
votes
1answer
140 views

Running Bitcoin Core for first time

I was using the official Bitcoin client some time ago. It was version 0.5 I think. Then my computer crashed and didn't use Bitcoin for a long time. I was lucky because I had a backup of the wallet. ...
0
votes
2answers
518 views

How to import old wallet to Multibit?

I had 2 Bitcoins on my old PC and got a virus so did a format. But I also did a backup of my bitcoin wallet. Now I want to sell these bitcoins but when I went to the site, the official client was ...
1
vote
1answer
3k views

How can I create a new wallet on Bitcoin Core?

How can I create a new wallet on Bitcoin Core (Bitcoin QT)? I forgot my old password, so I can't create transactions using the old wallet. I don't have money on my old wallet, I just need to create ...
0
votes
1answer
205 views

get public key from wallet.dat

Is there a way to get the public key of a given wallet.dat to check the balance in the blockchain to avoid having to install the wallet and read all blocks?
1
vote
1answer
440 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 ...
1
vote
1answer
144 views

Do all Crypto Coins use the same Wallet Format?

There are many crypto currencies now, BTC, LTC, MTC, Potcoin and so on. Each of these have their own wallet.dat files used by the client software. My question is: Do all these crypto currencies make ...
5
votes
2answers
597 views

Is it possible to send coins WITHOUT importing private key?

I have a cold storage wallet that I periodically move funds into. I want to be able to send funds out of the wallet quickly. Right now, I have to keep a clean VM up with the full blockchain, then ...
1
vote
1answer
185 views

What is point of encrypting wallet, if Bitcoin API's sendtoaddress needs passphrase?

The Bitcoin API enables programs on the server to use JSON RPC to interact with the Bitcoin wallet. Most commands do not need the wallet locked (which I assume is the same thing as encrypted). ...
0
votes
1answer
66 views

What is wallet.dat.gpg?

I'm trying to convince myself that I'm backing up my wallet correctly. I am told my private keys are in the wallet.dat file, but what is wallet.dat.gpg? It's not listed here.
0
votes
1answer
31 views

How to store wallets online?

Something like blockchain.info appears to keep full wallets online. Do they run a standard bitcoind on thousands of servers (one per person)? Or are the somehow managing to keep individual wallets ...
1
vote
2answers
55 views

Multiple copies of wallet.dat with a constraint

I know it is generally a very bad idea to share one wallet.dat between many clients on different machines because public/private key sets start divirging after some time if all the clients are allowed ...
0
votes
1answer
351 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 ...
0
votes
1answer
70 views

Read failed error while wallet transfer

I run ubuntu 12.04 and had to reinstall the OS so I copied wallet.dat and saved them into another computer, now that I am done installing the OS and then installed dogecoind and replaced wallet.dat ...
0
votes
1answer
29 views

Quick question about wallets

On my current OS I have daemons of bitcoin and other altcoins running in bitcoin there were 5 different addresses lets say userA userB userC userD userE userB has sent some coins to a address ...
0
votes
1answer
718 views

How do I get my purchsed bitcoins from a old bitcoin wallet? [closed]

I had to refresh my computer do to updates and all my installed software such as Bitcoin wallet was gone after the process. I did back up my wallet almost everyday and also I did it on a external ...
3
votes
2answers
601 views

How to dump all of addresses from wallet.dat for other alt-coins?

I'm on binarycoin now, with solo mining. Luck smile to me. I'm found 5 blocks. It is 100.0 binarycoins. I'm trying to use "aggressive" speed-up, my daemon compiled with -O3. After last block I ...
1
vote
2answers
395 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 ...
1
vote
1answer
948 views

How to get private key from litecoin-qt wallet?

I want to backup only the private key, not the full litecoin-qt wallet for the reason that the wallet can be used only with litecoin-qt client and if I have to use it after few years or on other ...
4
votes
2answers
3k 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 ...
1
vote
1answer
88 views

Is wallet.dat transferable between OS?

Am I able to transfer my wallet.dat from Ubuntu QT to Windows QT by backing up the file and pasting in the other operating system?
8
votes
3answers
346 views

How to determine what type of coins a wallet.dat contains?

I have a number of wallets. Is it possible to detect the type of (alternative) coin it contains?
1
vote
1answer
120 views

Does leaving your wallet unencrypted mean that all the private keys bundled in the wallet are susceptable to loss of confidentiality?

I noticed that multiple private keys can be imported into a wallet. If each private key originally had their own private password password to protect the elliptic curve private keys, does importing ...
3
votes
2answers
6k views

how do I create and encrypt a dogecoin wallet?

I've looked at the dogecoin wiki, but don't see any resources explaining how to actually create a wallet and encrypt it. I'm running dogecoin-qt on Linux. Under "much receive" on the GUI, I can add ...
2
votes
1answer
775 views

Bitcoin-Qt - backing up unencrypted wallet then encrypting it

If I back up unencrypted wallet.dat somewhere safe (TrueCrypt volume) and then encrypt the wallet by Settings / Encrypt Wallet, will my backup still be useful? I think the message after encrypting the ...
1
vote
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 ...
1
vote
2answers
371 views

Exported wallet.dat from bitcoin-qt. Then uninstalled bitcoin-qt. Now the wallet is empty!

Some months ago, I installed bitcoin-qt on Ubuntu, created a wallet and address, then transferred funds to it from MtGox. I let it sync up for over 10 days, but it never fully synced. So I exported a ...
1
vote
3answers
502 views

Make sure my offline Wallet is ok?

Let's say I make an offline wallet from a live cd with bitcoins-qt. I make some addresses (10 pcs.) I encrypt the wallet. Save it on a usb (wallet.dat). I then send over some bitcoins to one of my ...
2
votes
1answer
385 views

Bitcoin-QT client shows coins, but cannot find wallet.dat

It's been a couple years, and I opened my bitcoin-qt client. It says I have coins, but is taking days to "sync with network". Further, I cannot find a wallet.dat file anywhere on my system. How ...
1
vote
2answers
1k views

Wallet.dat Corrupted help please?

I bought bitcoins about a year half ago and my hard drive broke and i managed to recover them using a recovery tool that found wallet.dat from a deleted wallet on another hard drive but its courrped ...
1
vote
0answers
2k views

Sent bitcoins to my unencrypted wallet and encrypted the wallet before file synced, is there any way i can get them back?

Thanks in advance for any light you can shed on my problem.. I think I sent bitcoins from an online wallet to my offline wallet BitcoinQT(0.81) in august. The transaction has been confirmed, but not ...
4
votes
3answers
631 views

How do I find a renamed wallet whose name I can't remember?

I bought BTC in 2011 and renamed my wallet.dat to something else that I cannot remember. How can I find my wallet file on my computer? I'm prepared to use the command line and scripting.
2
votes
2answers
363 views

Bitcoin wallet - why do i need it for cold storage?

Why do I need a bitcoin wallet for cold storage? Can I just write down randomly generated public address and private key pairs, and keep these on paper? I am confused by the apparent need for a ...
0
votes
1answer
523 views

Bitcoin-QT wallet.dat prior to adding passphrase

On almost any Bitcoin-QT tutorial I notice people recommending to: (step 1) back up your wallet.dat before adding a passphrase. (step 2) Add a passphrase and copy your new wallet.dat to a USB .... ...
0
votes
1answer
91 views

What permissions should wallet.dat have to be as secure as possible and still work?

I would like to restrict the permissions on my wallet.dat file but but I don't want to stop the bitcoind daemon from functioning. What are the bear minimum permissions that need to be on wallet.dat ...
-1
votes
2answers
118 views

Doubt about Bitcoin SCI

What's up guys... I'm trying to figure out what's the best shopping card interface I should use. I want a PHP based, simple to work with. Was looking on bitfreak sci, looks good, but the negative ...