Questions tagged [wallet.dat]

This tag should be used for questions regarding wallet.dat files. A wallet.dat is a file used by Bitcoin Core which stores private keys and other information necessary to spend Bitcoin.

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16 views

Ledger 8 pin number how hard in terms of entropy is it to guess?

ledger has a max. 8 number pin for unlocking it as far I know. I am very interested, can someone say if (given any method/resources) it is in any scenario (except luck) possible to guess this 8 ...
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1answer
21 views

wallet.dat on usb to electrum

I put my btc qt wallet.dat file on a USB and would like to open it on a software wallet. Preferably electrum. Is that possible? If so how? Too many problems with btc qt and takes forever to sync.
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44 views

How to get the private keys out of old wallet.dat without syncing blockchain

I have old wallet.dat files of Bitcoin, Litecoin, Bitcoin Cash, Omnicore. My Bitcoin Cash wallet.dat has unbroadcasted transactions inside, so I am afraid that others might also have unbroadcasted ...
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1answer
59 views

Try to migrate Bitcoin Core wallet to an HD wallet but get “St13runtime” exception

I am trying to follow these steps to migrate my wallet to an HD wallet. But it failed, the debug log has errors like this: EXCEPTION: St13runtime_error DeriveNewSeed: AddKeyPubKey failed bitcoin in ...
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188 views

Bitcoin Private Key Decryption

At present, I have dumped my wallet and have all private key, address information. I am now wanting to understand the decryption process for the private keys within the wallet. I have completed the ...
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0answers
40 views

Restoring a Bitcoin Core wallet [duplicate]

I have a wallet.dat file from an old computer which was last accessed around February 23, 2012 which I need to restore into a newly installed Bitcoin Core program on a new computer. Can I just ...
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21 views

Inserting *.dat file in new client

I'm running out of ideas and I'm hoping to get some help. My computer crashed but I have the wallet.dat file on a thumb drive. I've downloaded and synced v0.18.1 on a new computer but don't see any ...
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72 views

recovering wallet [duplicate]

0 I am not exactly sure what I need to do and I do not want to accidentally overwrite my disk. I may have already done so. After searching my web history I have found the BTC address that my BTC is ...
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1answer
19 views

When I specify wallet in bitcoin.conf for testnet3, it gets ignored

I have a question about specifying wallet for testnet3. My bitcoin.conf file is located in the root of the Bitcoin folder with the line 'wallet = receiving.dat as well as testnet=1. Whenever I run '...
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1answer
321 views

Recovery of a corrupted wallet

I have a very old wallet.dat that I've put into my .bitcoin folder. When trying to run bitcoind, the service stops giving the following error 2019-06-11T18:14:02Z Using wallet directory /home/nom/....
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47 views

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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1answer
113 views

Understanding default bitcoin wallet in bitcoind

I am new to block-chain, so please bear with my questions. I need to understand the basics of a bitcoin-wallet. So I have setup a bitcoin full node using bitcoind in running in testnet mode. As I ...
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1answer
111 views

wallet.dat from 2014 shown as empty with latest client 0.18

I have bitcoin wallet from 2014. I have saved it encrypted. Since then I haven't checked it, until now. I did sync the whole bitcoin block-chain and when copy my wallet.dat and re-scan wit the ...
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1answer
271 views

How can I import an address or public key into my wallet.dat file?

I have a wallet.dat with Bitcoin Address: 15iRTcgqBk1QNtr2gKkq2dUsm5nN25dSeN I want to delete this Bitcoin Address: 15iRTcgqBk1QNtr2gKkq2dUsm5nN25dSeN and add another Bitcoin Address How can I add ...
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163 views

Recovering wallet after formatting SSD

I am not exactly sure what I need to do and I do not want to accidentally overwrite my disk. I may have already done so. After searching my web history I have found the BTC address that my BTC is on ...
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0answers
37 views

How to remove password from encrypted wallet with password? [duplicate]

Without using dumpwallet nor dumpprivkey, is there a way to take an encrypted wallet and making it decrypted so it can be used without entering a password?
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1answer
33 views

Help: I want to configure wallet.dir to be saved on aws s3 instead of locally

I'm building bitcoin from source to add some functionality. The main reason is that I want to use AWS S3 to store my wallet.dat file (for security reasons) instead of being stored locally. Basically, ...
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1answer
47 views

Does bitcoind store timestamp at which private key was imported?

If we import a private key using bitcoin-cli importprivkey <key>, is there anyway to find out when the import was done? I am hoping a timestamp is included.
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1answer
111 views

old wallet.dat with only incoming tx from mining, now shows 0 coins even after rescan and all the transactions are there

I found an old wallet.dat it contained hundreds of transactions while i was mining. I've replaced the wallet.dat in a new Bitcoin Core wallet, rescanned, all the txid are showing but the amount of ...
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1answer
100 views

Is it possible that one knows how much BTC is in wallet.dat without knowing password?

Someone says that he or she wants to sell his or her wallet.dat which seems to contain a lot of BTC. He shows screenshot of wallet software containing many BTCs. He says that when I place wallet.dat ...
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2answers
166 views

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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0answers
91 views

How to load multiple wallet ? Proper way to handle multiple wallet like account wise wallet

I am trying understand the multiple wallet.I took the reference from this link What I want to do ? Right now in single wallet we can create multiple accounts and each accounts can have multiple ...
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152 views

Переустановка bitcoin core [closed]

После установки Биткойн ядро ​​на компьютер отправил на него немного монет, они были подтверждены сетью и отображались в балансе кошелька. Через некоторое время отправил еще монеты, используя тот же ...
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2answers
838 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
88 views

how to create web wallet for bitcoin

I want to create a web wallet for bitcoin in which anyone can create their account and do the transactions but my node allow me to create one desktop wallet only. so i am not getting how this ...
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1answer
253 views

Why is wallet.dat BerkeleyDB instead of LevelDB?

Why wasn't wallet.dat migrated to LevelDB? Is it because BerkeleyDB is better at [something] Backwards compatibility
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1answer
87 views

QT Client - Wallet.Dat - Vulnerable?

I recently took my BTC off my QT Core Client on my computer and got the coins onto my Ledger Nano S wallet fine. My question is if the Wallet.Dat file on my computer (from the QT client install) were ...
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303 views

Bitcoin core dump private key gives a wrong key which corresponds to a different bitcoin address [duplicate]

According to this and this stackexchange answer and so many other resources, I can get my wallet's private key by using the dumpprivkey command on the debug console of Bitcoin Core (Qt) and import it ...
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2answers
55 views

What Happened 12/30/17 Last Recieved Transaction into Bitcoin Core Wallet

I have found a different receiving address within my wallet that is not mine... at least I did not create it. It seems to me that all of my transactions are now going to this new address instead of ...
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1answer
520 views

Bitcoin Core Multi-wallet limit to 333 wallets

Bitcoin Core 0.15.1 has Multi wallets support: In the bitcoin.conf we can add multiple entries of: wallet=wallet-1.dat wallet=wallet-2.dat wallet=wallet-3.dat wallet=wallet-4.dat ... wallet=wallet-...
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2answers
822 views

Computer crashed, total reinstallation. Have wallet.dat but not private key

My computer crashed and I was using the Bitcoin Core/QT client (they're the same right)? I thought I had my public and private keys saved, but those keys are from my old Armory wallet. I don't think I ...
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2answers
307 views

old wallet.dat from 2013/14 with some btc not confirmed or in mempool

Found a wallet.dat from 2013/14 with some btc received from a pool as i did a bit of mining. 4 received transactions in latest bitcoin core wallet but 0 confirmations and says not in mempool. ...
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1answer
975 views

How can I make my old wallet.dat work in a newer client?

Im having trouble with my wallet.dat file in the old bitcoin qt client the blockchain won't update because the computer is old and outdated so I'm unable to send the bitcoins that I have in the wallet ...
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2answers
2k views

“wallet corrupt salvage failed” Error. Help with pywallet

I have an old wallet from 2013 with some BTC in it possibly. I have guesses for what the passphrase could be but not 100% sure on it. Everything I find online is to use pywallet but I unfortunately am ...
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1answer
46 views

Is it possible to recover coins after clicking on Reset Options button?

I use emercoin windows wallet - Emercoin Core version v0.6.3emc (64-bit) I clicked the button - Reset options. The app restarted, and balance changed to 0. The wallet was completely out of sync ...
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1answer
122 views

Bitcoin Recovery Email or Hard Drive

I received 100 bitcoins from a donor around 2009 but do not remember name of donor, their email address or password etc to recover the bitcoins! Any suggestions or advice? I am seeking someone to ...
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1answer
777 views

Trying to open an old bitcoin core wallet.dat file fails

I am trying to open an old (~2012) bitcoin core wallet.dat with a bitcoin.com wallet, and it says that my password is incorrect, although it works great on my bitcoin core wallet. Was there any ...
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1answer
542 views

Does bitcoind (as of 0.15) support BIP39 mnemonic phrase for wallets?

Can bitcoind print out a BIP39 seed phrase to backup the wallet? Can I import a BIP39 seed phrase (from, for example, Breadwallet on iOS)into bitcoind? I know bitcoind wallets have been BIP32 format ...
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0answers
75 views

Using Bitcoin Core on Ubuntu. How to claim BCH & BTG while keeping whole BTC blockchain? [duplicate]

I'm using the Bitcoin Core client on Ubuntu. I've got the whole ~170GB blockchain on my hard drive. I'd like to be able to claim my BCH and BTG while preserving that blockchain, though if I don't ...
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0answers
74 views

I know I have a Bitcoin because BlockchainInfo says so… But loading wallet.dat into Core does nothing!

Is it possible the file is corrupt? The file size is 96kb. I just spend 2 weeks downloading Bitcoin Core, and when I replaced the wallet file in there with the wallet.dat file I saved on my computer a ...
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0answers
410 views

can i find my wallet address without opening bitcoin core qt

I havent ran bitcoin core qt for 4 years. And now the program wont run, just says bitcoin qt quit unexpectedly. A: How can i check my bitcoin address and balance B: How can i get the program working ...
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1answer
534 views

wallet.dat size in Bitcoin Core

Just created a new wallet using Bitcoin Core v0.15.1 (Windows x64), encrypted it with a password, and created one receiving address. The size of this wallet is 1 Mb. In comparison, my old wallet, ...
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1answer
545 views

How do I transfer bitpay wallet from one machine to another (PC or oth. type of device)

I have a new PC that I want to host my bitpay wallet on, so I need to migrate it from the current machine. I did a superficial search on the current machine for *wallet.dat* file in my C: drive w/ dir ...
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1answer
360 views

Migrate from Bitcoin Core Wallet to somewhere else before sync completed

I created a Bitcoin wallet yesterday using Bitcoin Core Wallet application and bought some bitcoin via buy.bitcoin.com to the address mentioned in File>Recieving Address in my Bitcoin Core Wallet. ...
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1answer
676 views

Can I retrieve missing Bitcoins that failed to process as Wallet is corrupt?

I have been using an old wallet until last year - Bitcoin Version v0.8.5-beta. QT Version 4.8.3. I stopped using it as it has become corrupt. I had made several transactions that were not successful ...
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1answer
679 views

What is saved in wallet.dat exactly? [duplicate]

As I know, wallet.dat saves all related data for a bitcoin wallet. However, I don't understand what precisely is saved in the wallet.dat. I think it must contain several private keys. Does it also ...
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1answer
18 views

Wallet backup in heterogenous environment

Can we restore a windows environment .dat backup file into linux environment?
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1answer
1k views

How do I get my Bitcoin Core to rescan for a different wallet.dat file on OSX?

I have an old wallet.dat file that I have backed up and I have already replaced the new wallet.dat, which had no btc on it with the old one, which does. I have tried to enter the command for the ...
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1answer
240 views

My Wallet file got erased and I had a transaction done. Can I recover those bitcoins with transaction ID?

I am a first time user I had gotten a transaction done before but my pc suffered systwem failure and I had to reinstall windows, obviously had to reinstall my bitcoin wallet software, but I had some ...
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3answers
20k views

opening an old wallet.dat

I had about $8 USD worth of bitcoin in a wallet, and I backed up the wallet.dat to my dropbox. According to the modified date of the file this was in April 2013, so it was probaby from bitcoin qt ...