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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1answer
368 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
709 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
742 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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Wallet backup in heterogenous environment

Can we restore a windows environment .dat backup file into linux environment?
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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
243 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
22k 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 ...
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1answer
595 views

What happens to wallet.dat if I uninstall and re-install on Windows Bitcoin desktop client?

If I uninstall Bitcoin Core desktop client, what happens to the wallet.dat? Is this erased or left in place? If I install Bitcore Core desktop again, does my wallet.dat get overwritten?
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1answer
210 views

Dogecoin: No wallet has been loaded

I downloaded many [X] core software, including Bitcoin, Litecoin and others, and they all worked fine, except for Dogecoin Core. It keeps saying "No wallet has been loaded". There was a wallet.dat ...
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1answer
207 views

Problem with my bitcoin wallet

In the distant 2013 I tried to deal with mining. At that time it was much easier than it is now. I downloaded the official program (the version I did not remember), installed it on my computer with a ...
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1answer
84 views

Can a core wallet coinbase-transaction (generation transaction) be moved intact to a net new core wallet?

Can a core wallet coinbase-transaction (generation transaction) be moved intact to a net new core wallet? Wanting to go through cautious steps to claim BCH but, I hear a BTC coinbase-transaction when ...
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2answers
507 views

Deleted/Can' Find Wallet

I bought and used bitcoins 5-6 years ago through a machine (paid cash) in a bank here in Australia, I had a wallet/dat.file on my Mac Desktop that I think has been deleted well at last I can't find it,...
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329 views

After generating my own private key, what's the proper way to add it to official wallet software?

I've got some Go code that successfully generates private keys and vanity addresses as described by the wiki. So I have all the parameters around the private key but I'm not sure what to do with that ...
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1answer
672 views

how to recover a wallet from crashed bitcoin core

I was synchronising for the first time bitcoin core on Mac OSX. During this never ending process I had the brilliant idea to send some BTC to my wallet from my Kraken account. At some point the app ...
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1answer
754 views

View recovered wallet.dat contents without sync?

After recovering a wallet.dat file, and replacing the default wallet.dat file Bitcoin-Core created after a fresh install, should I be seeing the amount of BTC in the wallet even before a full sync? ...
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0answers
283 views

I have an issue with my wallet. it is giving me fatal error

Sorry to ask it here because I can not find a better place.. This question is related to my Dogecoin wallet ... I accumulated some dogecoin in the past, but I have not been able to recover them for ...
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1k views

Old (2010) Wallet - Can't figure out best and safest way to extract

The following is based on my very limited understanding of the software involved in Bitcoin (I have a reasonable understanding of the structure of Bitcoin itself at a high level). I read an article ...
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2answers
1k views

Have a bunch of wallet.dat files. What alt-coins do they have (and may be how much)?

A few years ago I mined a couple of alt-coins. Now I have approximately 5 wallets which are named in non-suggestive way: wallet_01.dat, wallet_02.dat, ..., wallet_05.dat. Each of them has reasonable ...
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1answer
340 views

Is it possible to interact with the blockchain through bitcoin-core without a wallet?

Im running a full node and am developing an application that interacts with it. One of its features is users should be able to create a pair of Bitcoin PrivKey and PubKey. But for security reasons, I ...
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1answer
1k views

Found an old wallet with transaction history with coins (unconfirmed), but no balance [duplicate]

I have found an old bitcoin wallet in my files. I can see there are old transactions but they aren't confirmed. But there should be more BTC received than was sent, so there should be a balance. Is ...
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1answer
16k views

How can I get the private key from wallet.dat from 2011 Bitcoin software on WinXP?

I set up Bitcoin (application) software on a WinXP machine in 2011 and received some Bitcoin. I set the machine aside, disconnected from the internet. Now I want to access the 2011 Bitcoin. Lately I ...
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1answer
2k views

Help with very old wallet.dat file and keys, next steps?

recently I found a very old wallet.dat file back from 2011 (I did some mining back then). I was able to run pywallet to export the keys into JSON file, this file includes private keys and all, so i ...
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1answer
606 views

Bitcoin QT wallet crashed. Recovered using Bitcoin Core. Now password rejected!

My encrypted Bitcoin QT wallet crashed years ago but I have backup copies. It was an earlyish version of Bitcoin QT wallet, first transaction on it is 09/2012. I have loaded the backup into Bitcoin ...
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0answers
2k views

Litecoin Core wallet.dat [closed]

I am trying to recover my old LTC account. I still have the address (on blockchain I can still see the correct amount of LTC) and I still hold the old wallet.dat file, which I saved in the past. I'...
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1answer
494 views

How do I find out which wallet fits which client?

I found a really old Bitcoin wallet, a wallet.dat file, and tried to open it. Bitcoin Core told me that the wallet is corrupted. But I also found out that different clients make different wallets, so ...
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1answer
892 views

How to know a given file is a valid bitcoin wallet? [duplicate]

If I have many files on my hard drive (possibly with different names/extension), how can I test which file is a valid bitcoin wallet.dat ? Maybe there is some string that exists in every bitcoin ...
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1answer
507 views

Problems restoring wallet

First of all .. yes im stupid. Now .. I had some BTC a few years ago. Thought I had kept it safe, now I seem to have reinstalled the OS on that PC and wiped profile folder. I looked around for a ...
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2k views

How to dump all private key from wallet.dat (walletversion > 130000)?

I tried to use pywallet and it can't dump all of the wallet's private keys. When I send 10 transactions & decode raw transactions, I will get 10 new addresses, but I can't dump all of the private ...
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2answers
1k views

Identifying wallet file among soup of recovered .dat files

Hello my friends! Here is my situation: I accidentally deleted a partition on my HDD containing the only copy of my bitcoin wallet. Facepalm. After running data recovery tools, I've found and ...
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0answers
287 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
84 views

keypool and restoring from backup

I have a wallet running on a raspbery pi and the SD card hit the skids, fortunatley I have a backup of the .iso from 1 month ago so I have recovered the entire state as of that time. My only concern ...
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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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1answer
3k views

How does salvagewallet work?

What can I expect using the salvagewallet command? What is it actually doing? I am asking specifically about the zcoin fork, if that matters. How can this help with corrupted wallet? How can Wallets ...
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0answers
2k views

Extract private keys from litecoin-qt wallet.dat file

I used litecoin-qt back in 2014, and used the backup feature, which gave me a wallet.dat file... Now i want to extract the private key from the wallet.dat file so it can be used in electrum. I do not ...
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1answer
372 views

How do I prune/clean wallet.dat for old unused addresses

Are there any easy way to prune wallet.dat? Like, deleting keys for addresses with no current balance and generated more than a month ago?
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1answer
281 views

Uniquely identify two wallet.dat files

I have two encrypted wallet.dat files and I'm looking for a way to uniquely identify them from each other. I started using a md5 hash but then I quickly realized that this hash changed each time the ...
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1answer
182 views

Can I move my wallet.dat from Ubuntu to Mac OS?

I want to run Bitcoin Core on Mac OS. Can I move my existing wallet.dat file from Ubuntu and use it in Mac OS? I am using Bitcoin Core.
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3answers
429 views

How can I verify my wallet.dat file against an older version?

I recently ran into an issue with an unsafe shutdown corruption on an NTFS partition in such a way that the files all existed, but chkdsk had to be run to verify some non-essential files. My peers....
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0answers
1k views

Format of mkey field in encrypted wallet.dat file

I am writing a C++ application to scour large files (typically disk images) for wallet.dat files, with the intention of recovering the private keys. At the moment I am struggling the data contained ...
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2answers
2k views

Bitcoin wallet file location in smartphone

I would like to know where is the wallet file (or private keys) stored on usually in the Bitcoin mobile wallet such as Android wallet (Mycelium or Bitcoin wallet)? Because I installed Bitcoin wallet ...
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3answers
524 views

Is it normal not to see my sending/receiving addresses while the bitcoin client is syncing?

I am using bitcoin core on windows 7, it takes forever to sync and during this time I cannot see any sending/receiving addresses in my interface, I only see "balances" (empty), "recent transactions" (...
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1answer
941 views

How to import wallet.dat.txt file, to convert a txt document into usable BTC?

this will be my first time posting here so please forgive any newbyness. A friend recently gave me an old thumbdrive with a wallet.dat.txt file on it. He had bought a full BTC but didn't know what he ...
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1answer
2k views

Can I retrieve my bitcoins from years ago that I never received?

How can I get hold of my bitcoins that never made it to my wallet years ago? I purchased some bitcoins years ago (have got my receipt and all emails from who I purchased). I downloaded Bitcoin-Qt 7, ...
3
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1answer
190 views

What is the risk of using wallet.dat files for long term cold storage?

i created these wallet.dat files on an offline machine in 2014 using QT. I've sent coins to the receiving addies over the years. these files are bip38 encrypted. do i need to do anything to these ...
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2answers
744 views

Safely transferring bitcoins from wallet.dat to cold storage

A similar question was asked by me in 2014, but I did not find the answer satisfactory back then, and I hope some things changed since in the last two or so years. I have a wallet.dat file with some ...
2
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1answer
515 views

Bitcoins lost in Bitcoin Core?

I sent a small amount of bitcoins to my bitcoin core account when I was messing around learning to use bitcoins several years ago. I am trying to access these coins but I never got along to utilizing ...
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6k views

Where is wallet.dat file?

I have clearly installed Windows 7 and Bitcoin Core. There is no Bitcoin folder in {User}/AppData/Roaming... Blockchain is dowloading but I cannot find where it is and wallet.dat also. Anybody help? ...
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1answer
4k views

How can I fix corrupted encrypted wallet.dat?

My only one backup of encrypted wallet is corrupted (last time when backed it up i probably didn't shutdown bitcoin-qt), with hex editor i found in it: mkey ckey (117 that looks fine) Does this ...
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0answers
90 views

Do Berkley DB versions need to be the same?

If I build using --with-incompatible-bdb, will the resulting wallet be incompatible with the bitcoin core client from bitcoin.org? What if I'm using a newer version?
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2answers
4k views

Recover Old Bitcoin Wallet (Currently getting a Segfault)

I have a bit of bitcoin lingering in an old bitcoin wallet (circa 2011). I just restored it from a backup but I can't seem to load it into bitcoin-qt. If I launch the app, shut it down, the copy in ...