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
2answers
25 views

Can the service providing the bitcoin wallet know how much value has the user loaded into his wallet?

Say for example I run an ecommerce website which mandates users to have a min balance of 1 Bitcon in their wallets to access the platform. In the event the balance in his wallet falls below 1 Bitcoin ...
0
votes
0answers
6 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 ...
1
vote
1answer
32 views

Multiple questions about the Bitcoin Wallet

To start, what is the difference between a private key, and the total wallet ? If I understood, the wallet is just a file with all my "private keys", and "private keys" are keys to restore each of my ...
0
votes
2answers
29 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
21 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
48 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
49 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
41 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 ...
2
votes
2answers
62 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
360 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
42 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) ...
2
votes
1answer
97 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
139 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
1k 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
139 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
241 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
102 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
586 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
152 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
50 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
52 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
293 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
48 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
487 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
0answers
442 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
360 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
834 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
1k 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
81 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
327 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
119 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
681 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 ...
0
votes
0answers
352 views

How to import my wallet.dat [duplicate]

I had a couple of bitcoins on a PC that crashed. But I was lucky because I made a backup of my wallet. I haven't used Bitcoins since then. Now I want to sell 1 Bitcoin. But when I went to the ...
1
vote
2answers
360 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
492 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
375 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
594 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
359 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
521 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
84 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
107 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 ...
0
votes
1answer
775 views

Lost my bitcoins, was I hacked?

Last time I used my Bitcoin-qt client was a few months ago. I made a backup of the wallet to an external USB drive. Yesterday, I started the client and after it synchronized the block-chain, I saw ...
1
vote
1answer
684 views

BlockChain.Info Incorrect Balance

Recently my Bitcoin-Qt client started crashing on start-up (running Mac OS X 10.7.4). I was able to stop the crashing by removing the blocks directory and letting it re-download the blockchain. ...
1
vote
1answer
142 views

Opening wallet.dat in python, using bsddb3

I'm trying to open wallet.dat using the bsddb3 module for Python 2.7. db = bsddb3.btopen("wallet.dat", "r") contents of db: {'main': '\x00\x00\x00\x02'} I have to Which is almost nothing. ls -l ...