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Bitcoin Core Passphrase Recovery

Faq | Wallet Password Recovery

Faq | Wallet Password Recovery

The easy option is to send your locked wallet to us and wait for successful password recovery. However you do not have to do it. We will not steal your coins but you do not have to trust us. We will trust you! All you need is to extract encrypted hash from your wallet and send them in the contact form. Even after decrypting the hash there is no way to use your wallet without having it. here are the steps how to extract private keys from Bitcoin Core wallet (wallet.dat) Make a copy of your wallet.dat file. Everything you do to this file you have to make backup to make sure you are not loosing your coins. Where to find wallet.dat file? If you have installed Bitcoin Core wallet in the default directory it should be at: C:\Documents and Settings\YourUserName\Application data\Bitcoin (XP) C:\Users\YourUserName\Appdata\Roaming\Bitcoin (Vista,7,8,10) find / -name wallet.dat -print 2>/dev/null Please donwload and extract JohnTheRipper Put the copy of your wallet.dat file into the JohnTheRipper-bleeding-jumbo\run\ directory, type: cd {path to john the ripper}\JohnTheRipper-bleeding bitcoin2john.py wallet_copy.datyou should get something like this: $bitcoin$96$c1ce586fcbd57a0dd60a1b08a65a3fad9269f788d7bcecd411d95cc222c9f0cdf7ebfc6fa33847607f7b8c1338a2c3f8$16$10cb87989a39ef71$60692$96$31f40dacb48f2aae7bd601bb50f1d4ce3ef826e0307539665ac80dba7a42480dc76de571876a82af347d7a01bd3cfb6c$66$03faef628e4cc1aec8438e8459364cfd0f867500beb9bdb17383d803cd02946c01 This is the encrypted hash of your password and you should send it in the contact form instead of wallet.dat file. if you have errors like:File "../run/bitcoin2john.py", line 639, in parse_wallet d.update(parse_BlockLocator(vds))TypeError: 'NoneType' object is not iterable In the hashes file, it like that:ERROR parsing wallet.dat, type Continue reading >>

I Forgot My Pin: An Epic Tale Of Losing $30,000 In Bitcoin

I Forgot My Pin: An Epic Tale Of Losing $30,000 In Bitcoin

I Forgot My PIN: An Epic Tale of Losing $30,000 in Bitcoin I Forgot My PIN: An Epic Tale of Losing $30,000 in Bitcoin The Trezor: January 4, 2016: 7.4 BTC = $3,000 In January 2016, I spent $3,000 to buy 7.4 bitcoins. At the time, it seemed an entirely worthwhile thing to do. I had recently started working as a research director at the Institute for the Futures Blockchain Futures Lab, and I wanted firsthand experience with bitcoin, a cryptocurrency that uses a blockchain to record transactions on its network. I had no way of knowing that this transaction would lead to a white-knuckle scramble to avoid losing a small fortune. My experiments with bitcoin were fascinating. It was surprisingly easy to buy stuff with the cryptocurrency. I used the airBitz app to buy Starbucks credit. I used Purse.io to buy a wireless security camera doorbell from Amazon. I used bitcoin at Meltdown Comics in Los Angeles to buy graphic novels. By November, bitcoins value had nearly doubled since January and was continuing to increase almost daily. My cryptocurrency stash was starting to turn into some real money. Id been keeping my bitcoin keys on a web-based wallet, but I wanted to move them to a more secure place. Many online bitcoin services retain their customers private bitcoin keys, which means the accounts are vulnerable to hackers and fraudsters (remember the time Mt. Gox lost 850,000 bitcoins from its customers accounts in 2014?) or governments (like the time BTC-e, a Russian bitcoin exchange, had its domain seized by US District Court for New Jersey in August, freezing the assets of its users). I interviewed a handful of bitcoin experts, and they all told me that that safest way to protect your cache was to use something called a hardware wallet. This little device is basically a glo Continue reading >>

Lost Wallet Password From My Own Wallet

Lost Wallet Password From My Own Wallet

I got today 4 BTC but i cant send it because i need the password. Can someone help me to get this coins again ? You need to talk to Dave Bitcoin then. This is his website: He is a trusted person in the entire bitcoin community that will try to get into your wallet as long as you have a general idea of what you think your password is by brute forcing it. Good luck! Do you have a backup for your wallet from before you password protected it? If so you could make a new unpassword protected wallet from it. Note this is why it's not a good idea to backup a wallet before password protecting it it's a security hole. maybe but if i did it i don't know where it ist maybe but if i did it i don't know where it ist It's impossible for anyone to help if you don't even know what wallet you used. Was it a mobile wallet on your mobile device, and if so, which one? Was it a wallet you used over the internet, a web wallet? Or was it a wallet you downloaded to your machine, a program, called a desktop client? This might help narrow it down. Also, what did it look like? Even if we know what wallet, if you have no idea what the password was, then people like Dave Bitcoin won't be able to help. The only hope would be if you backed up the wallet and are able to recover it that way. Did you save a backup of some words (12 or 13 words maybe), or a backup of a private key possibly? I got today 4 BTC but i cant send it because i need the password. Can someone help me to get this coins again ? 4 BTC is a big amount of money for me but im in my opinion you can hire someone to recover your wallet and make some proof that you owned that wallet for some reason. The only way he has a chance of getting the bitcoins back is to brute force the password but if the OP doesn't know the password or even parts Continue reading >>

Github - Gurnec/btcrecover: An Open Source Bitcoin Wallet Password And Seed Recovery Tool Designed For The Case Where You Already Know Most Of Your Password/seed, But Need Assistance In Trying Different Possible Combinations.

Github - Gurnec/btcrecover: An Open Source Bitcoin Wallet Password And Seed Recovery Tool Designed For The Case Where You Already Know Most Of Your Password/seed, But Need Assistance In Trying Different Possible Combinations.

An open source Bitcoin wallet password and seed recovery tool designed for the case where you already know most of your password/seed, but need assistance in trying different possible combinations. If nothing happens, download GitHub Desktop and try again. If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again. If nothing happens, download the GitHub extension for Visual Studio and try again. btcrecover is an open source Bitcoin wallet password and seed recovery tool. It is designed for the case where you already know most of your password or seed, but need assistance in trying different possible combinations. To try recovering your password, please start with the Password Recovery Quick Start . If you mostly know your recovery seed/mnemonic (12-24 recovery words), but think there may be a mistake in it, please see the Seed Recovery Quick Start . If you find btcrecover helpful, please consider a small donation:3Au8ZodNHPei7MQiSVAWb7NB2yqsb48GW4 Most wallets based on bitcoinj , including Hive for OS X BIP-39 passphrases, Bitcoin & Ethereum supported (e.g. TREZOR & Ledger passphrases) Bitcoin & Ethereum seed recovery support for: Electrum (1.x and 2.x, plus wallet file loading support) BIP-32/39 compliant wallets ( bitcoinj ), including: Free and Open Source - anyone can download, inspect, use, and redistribute this software Multithreaded searches, with user-selectable thread count Experimental GPU acceleration for Bitcoin Unlimited/Classic/XT/Core, Armory, and derived altcoin wallets Progress bar and ETA display (at the command line) Optional autosave - interrupt and continue password recoveries without losing progress Automated seed recovery with a simple graphical user interface Offline mode for nearly all supported Continue reading >>

Wallet Password Recovery

Wallet Password Recovery

Ive read quite a few posts about password recovery and it seems that cxop might be able to help. Well anyone who thinks that he/she can unlock the wallet.dat would be really appreciated for trying. Its not a big wallet, just 3,4 Litecoins in it. But its of someone who has just started with Litecoin and even though I warned about a million times to safe keep or remember the password, its not workingShe did keeps it in Last Pass but since the password is only entered once in Litecoin Core I guess a typo is the most likely cause. At least we have a good idea of what it might be but after trying so many optionswe ran out of ideas. Hopefully it can be retrieved or I guess it will be a good (but quite expensive) lesson from terminal use bitcoin2john.py (followed by .dat location in litecoin) example for linux is: bitcoin2john.py ~/.litecoin/wallet.dat to extract your password hashthen use the same program to guess your password with command: john (text document containing hash) you can either download Kali Linux for a Virtual Machine, Live Cd/USB or installation and it comes with John the Ripper ( Kali Linux ) or you can download John the Ripper ( John The Ripper )you will also need to make sure you have python installed on your systemkali comes with python currently John the Ripper does not work on Windows I am willing to crack passwords but I either need a copy of the extracted hash or the wallet.dat file if you have an idea of what the password might be then you will find it fasterhowever brute force is always an option but takes quite a long time and should only be used when all else fails let me know if you need me to do it for youjust send me a personal message and I will send you my email address to send the hash or .dat file to I just didnt want to start a new threat Continue reading >>

How Can I Recover Bitcoin Wallet.dat File Forgotten Password

How Can I Recover Bitcoin Wallet.dat File Forgotten Password

How can i recover Bitcoin Wallet.dat file forgotten password If you do not remember any of your password, there isn't much that anyone can do to recover your wallet. If you remember some of your password, then you can use a tool like btcrecover to attempt to brute force your password. But for that to have any possibility of success, you need to have some idea what your password is or could be. That requirement goes with every other wallet password recovery tool or service. Quote from: qasimilyas99 on July 01, 2017, 04:17:10 PM How can i recover Bitcoin Wallet.dat file forgotten password, I'm finding best tool for recovering my password. Likewise, much will depend a lot on the length of the password. If it is 4 vs 40 characters for example. Alpha vs alphanumeric, lowercase, mixed case, etc. The more you can recall the better. Quote from: achow101 on July 01, 2017, 04:47:36 PM If you do not remember any of your password, there isn't much that anyone can do to recover your wallet. If you remember some of your password, then you can use a tool like btcrecover to attempt to brute force your password. But for that to have any possibility of success, you need to have some idea what your password is or could be. That requirement goes with every other wallet password recovery tool or service. Is there any btcrecover guide available on bitcointalk or outside about how to install & start operation, Thanks. Quote from: achow101 on July 01, 2017, 04:47:36 PM If you do not remember any of your password, there isn't much that anyone can do to recover your wallet. If you remember some of your password, then you can use a tool like btcrecover to attempt to brute force your password. But for that to have any possibility of success, you need to have some idea what your password is or cou Continue reading >>

How To Recover Bitcoins From Bitcoin Core

How To Recover Bitcoins From Bitcoin Core

How To Recover Bitcoins From Bitcoin Core While bitcoin core is the original and most recognized bitcoin wallet, it is also extremely bulky and requires a ton of resources to run. With the bitcoin core wallet you have to download the entire bitcoin blockchain (over 8 years of bitcoin transactions) and keep it synced to be able to spend your bitcoin. The bitcoin blockchain is over 100 GB in size which is too large for most users to store and can still take weeks for some people to download before they can use the wallet. Many people accidentally send bitcoin to their core wallet without realizing how long it will take to sync, then decide they would like to use another wallet. This guide will help you recover your bitcoins from bitcoin core, then transfer them to a lightweight wallet that is easier to use. If you have sent bitcoins to your core wallet and cant wait to synchronize the wallet, you can export your private keys and import your coins into a different wallet. For this tutorial I will be moving coins from Bitcoin Core to Electrum. The Electrum wallet only takes a few seconds to sync so it is easy to recover and spend your bitcoins from. Here is a download for Electrum , I will explain how to use it later in the guide. If your bitcoin core wallet is years behind from being synced to the blockchain, you probably will not see your coins in the wallet even if they are stored at your bitcoin address. This can be very scary for new users, but rest assured your coins are safe and recoverable. The first step is to identify which bitcoin public address you need to recover coins from. To do this, click File then go to Receiving Address. Bitcoin core automatically generates your first bitcoin address for you but you can create as many new ones as you want. Right click on Continue reading >>

How To Steal Bitcoins: Part 2 (cracking Bitcoin Core Wallet.dat Files)

How To Steal Bitcoins: Part 2 (cracking Bitcoin Core Wallet.dat Files)

How to Steal Bitcoins: Part 2 (Cracking Bitcoin Core wallet.dat Files) This is part two in a series of blogs on cryptocurrencies and security. The goal is to recover passwords from encrypted Bitcoin Core (or Satoshi Client) wallets. Please note: This is an information security blog. The intent is to help people have fun hacking shit, point out vulnerabilities that we encounter every day, and ultimately help people make better decisions about security. STEALING SOMEONES BITCOINS WOULD BE A DICKHEAD MOVE. DONT DO THAT. Were making progress! Following the instructions in part one , youve gained access to an encrypted USB drive. Looking around, you notice a some interesting files - perhaps in a hidden folder called .bitcoin. Inside that folder, look for a file called wallet.dat - that contains all of the information needed to access a bitcoin wallet and its associated funds. You can also search for other .dat files, as these can be manual backups created by the user. Lets assume youve already tried to import the file into a wallet application and are prompted to enter a password. If you havent yet tried this - do it now. You might get lucky. Cracking these wallets can be fairly hardware-intensive, especially when using really long wordlists. For this tutorial, we are using a Linux-based computer with an Nvidia GPU. Bitcoin2john . This is a fork of pywallet modified to extract the password hash in a format that hashcat can understand. Hashcat . Get the newest version from this link, some Linux package managers are woefully behind on this stuff. A text file that contains your encryption passphrase. While you are practicing, just make a short text file with 10 lines in it, one of them being the passphrase you set on your practice wallet. Here are some good resources for crack Continue reading >>

How To Recover Your Bitcoin Wallet Password

How To Recover Your Bitcoin Wallet Password

How To Recover Your Bitcoin Wallet Password This guide will also work for most crypto-currency wallet password recovery. This guide is designed to work for you and will take you every step of the way inDo It Yourself Password Recovery, but it often takes multiple, powerful CPUprocessors to efficiently recover a password. If you don't want to do it yourself, Go Bit Go offers a full password recovery service using Powerful CPU Clusters working dynamically. For more information, click here. You can always try it yourself, and if you decide you need professional recovery, we can help. Once upon a time, your bitcoin wallet wasn't worth much but that once low valued wallet is now worth how much? Thousands? Millions? A new life - free of monetary struggles? That's great news! The bad news is you lost or forgot your password! Hey, it happens but unlike your favorite website (possibly GoBitGo.com?), there is no "I forgot my password" option. What do you do when your bitcoin fortune is so close yet so far, and the only thing that separates you from that fortune is a few digits? That's where this DIY (Decrypt It Yourself) guide comes in! BE WARNED: While this guide is likely your best bet in recovering your wallet, it will not work for everyone due to the following requirements: Having the required knowledge and understanding to complete the process described below. Your computer hardware may not be fast enough to decode your password in any reasonable amount of time. There are potentially infinite variations of passwords. Your password may be lost forever or at least until computer hardware is faster Below, I am going to focus on bitcoin but the process should be the same for all crypto currency password, since they are all based on bitcoin. Anywhere I say bitcoin, substitute yo Continue reading >>

Wallet Recovery Services

Wallet Recovery Services

Bitcoin and Ethereum wallets are normally encrypted by you, the wallet owner.However, sometimes you forget or misplace your wallet password. This is a bad thing! Unless the password is recovered, you have no way to access any funds stored in that wallet. That money is lost forever. At todays exchange rate, that might be a lot of money. We have created a service that can take your wallet information, your best guess at your remembered password/passphrase, and attempt a brute force decryption of your wallet. If you have no idea at all of your password, and it was more than a handful of characters long, then it is unlikely that we can help you. No-one in the world, including the NSA, CIA, D-Wave or anyone else can crack the encryption used in the Bitcoin or Ethereum wallet if the password is more than 15 fairly random characters. The wallet encryption is strong by design. There are no known flaws in the implementations, and many people have tried to break them! However do not despair maybe your password wasnt as secure as you thought, or maybe it was completely different from what you remember? If, however, you have a vague idea of your password, but cant quite remember it Then we can help you. If you thought your password was probably TheIceMan123, but werent sure about what capitalization or suffix number you used, then we can help. If you were sure that you wrote down the password Hdd%&7d77ddH#[email protected] when you chose it, but now it will not unlock the wallet when you type it in, then we can help. If you were pretty sure that your password contained words from a sentence from The Return of the King, but youve forgotten which page, then we can help. If you reckon that your password is some permutation (with some spaces or maybe capitals) of 6 of the words in the list "fred, h Continue reading >>

Bitcoin Password Recovery Tool By Thegrideon Software

Bitcoin Password Recovery Tool By Thegrideon Software

Bitcoin and related cryptocurrency Wallets password protection is based on SHA-512 and AES-256 algorithms with thousands of iterations, thus recovery speed is limited, but we did our best to enhance this tool performance (recovery speed) with some advanced methods and it found to be the fastest password recovery tool for Bitcoin Wallets. Bitcoin Password allows you to setup a very precise search range to exploit known password details (parts and patterns) and to cut the required time of a search comparing to traditional attacks. Just check mixed attacks for example. Wallet encryption parameters are selected based on computer power available during the encryption process, thus recovery speed (complexity) is variable from Wallet to Wallet. The following tables are based on a Wallet with 75000 SHA-512 iterations. Approximate hashing rate is also provided, so the speed for wallets with a different iteration count can be calculated. The final password recovery speed is equal to CPUspeed + GPU(1)speed + ... + GPU(N)speed. For example: Intel i3 + integrated HD 4400 GPU + AMD R9 270 = 185 + 70 + 2 910 = ~3 160 p/s. Continue reading >>

Securing Your Wallet

Securing Your Wallet

Like in real life, your wallet must be secured. Bitcoin makes it possible to transfer value anywhere in a very easy way and it allows you to be in control of your money. Such great features also come with great security concerns. At the same time, Bitcoin can provide very high levels of security if used correctly. Always remember that it is your responsibility to adopt good practices in order to protect your money. You should be wary of any service designed to store your money online. Many exchanges and online wallets suffered from security breaches in the past and such services generally still do not provide enough insurance and security to be used to store money like a bank. Accordingly, you might want to use other types of Bitcoin wallets . Otherwise, you should choose such services very carefully. Additionally, using two-factor authentication is recommended. A Bitcoin wallet is like a wallet with cash. If you wouldn't keep a thousand dollars in your pocket, you might want to have the same consideration for your Bitcoin wallet. In general, it is a good practice to keep only small amounts of bitcoins on your computer, mobile, or server for everyday uses and to keep the remaining part of your funds in a safer environment. Stored in a safe place, a backup of your wallet can protect you against computer failures and many human mistakes. It can also allow you to recover your wallet after your mobile or computer was stolen if you keep your wallet encrypted. Some wallets use many hidden private keys internally. If you only have a backup of the private keys for your visible Bitcoin addresses, you might not be able to recover a great part of your funds with your backup. Any backup that is stored online is highly vulnerable to theft. Even a computer that is connected to the I Continue reading >>

Please Help With Litecoin Passphrase Issue

Please Help With Litecoin Passphrase Issue

Please Help with Litecoin passphrase issue In September I finally got in to crypto and (stupidly) invested most of my money into litecoin and a little in bitcoin. I moved my coins to the litecoin qt wallet and for the passphrase I typed it into a word doc (saved on a cold USB) and copied it when entering the passphrase. I did this to avoid mistyping the passphrase given its 10 words long. Last week I decided to get a ledger nano to move my litecoin as I heard this is what I should do as I had 25 litecoin. however when I copy and paste the passphrase into litecoin qt to move the coins to my ledger it says incorrect passphrase. Ive tried everything from different passphrases to using caps on certain words but nothings helpjng. Im really panicking now, are my litecoins lost forever? Would appreciate any help, 75% of my money is in these 25 litecoin and I dont know what to do anymore? How many words are there in this passphrase? 12 or 24? Did the edited date match the creation of litecoin wallet? Ill need to check, when you say edited date are you referring to the word document? Also, thanks for your help really appreciate it. The typical seed phrase is 12 words. I dont really know much about Litecoin core client, but 12 word seed is pretty much standart across all wallets. Yes. I refer to the word document. Check it once again to see when it was last edited. I wish I could hug you. Please keep us updated on this. Ill be sending you prayers! Also By any chance, do you still have a wallet file? The one that was generated by the LTC client? Something like wallet.dat Dont cut and paste from a word processor, you may have invisible characters in the document. In some language, you can also have different ASCII codes. I have found that you may have some characters in the MS Wor Continue reading >>

Bitcoin Core Forgot Passphrase [duplicate]

Bitcoin Core Forgot Passphrase [duplicate]

Are there Bitcoin password crackers I can use to recover forgotten passwords? 3 answers I opened my bitcoin core wallet for the first time in nearly 7 years and do not remember ever setting a passphrase. The good news is I've got bitcoins in the account that I'd forgotten about, bad news is that without the passphrase, I can't send them anywhere to cash them out. Is there a way to access / hack the passphrase for Bitcoin Core? marked as duplicate by Pieter Wuille , Murch Aug 27 '17 at 20:20 This question was marked as an exact duplicate of an existing question. The first version of Bitcoin with wallet encryption support was released in september 2011, so it can't be more than 6 years. Pieter Wuille Aug 23 '17 at 17:03 Sorry, I don't understand your questions - not great with technical things. I have Bitcoin Core installed on my mac and had bitcoins received there in 2011. Between then and now i have forgotten the passphrase and am locked out of sending my bitcoins to an exchange until I can remember or bypass the passphrase. Klyde Aug 22 '17 at 18:41 OK, you have installed it on your mac. Now you can try to find and execute the above command related to an address you have used in the past. KOld Aug 22 '17 at 18:42 ok so run the command through terminal? And what address, the one of my current wallet? when I do that is says command not found Klyde Aug 22 '17 at 18:44 Yes, first try to find the command and run it. The address should be one which you have used in the past. KOld Aug 22 '17 at 18:45 ok I tried bitcoin-clidumpprivkey"my address" and it came back with command not found Klyde Aug 22 '17 at 18:47 Continue reading >>

How Can I Recover Funds From A Bitcoin Core Wallet.dat File Without Having The Entire Blockchain Downloaded?

How Can I Recover Funds From A Bitcoin Core Wallet.dat File Without Having The Entire Blockchain Downloaded?

install a new wallet of choice, we recommend BitPay wallet, Electrum, or even Blockchain.info open a blank text file (in Notepad or TextEdit), we will be using this as a scratch pad cut and paste a RECEIVING address from your new wallet. It is essential that this address be a receiving address from your NEW wallet This is what a receiving address from BitPays Copay looks like: open Bitcoin Core (it is ok if it is not sync'ed) find the address that had funds sent to it, you might only have a few addresses under the "Receive" section of Bitcoin Core. Those addresses might show up as "Recent payments history". You want to double click on each entry, then click "copy address". This is what the Receive section of Bitcoin Core looks like: Visit this web address: Paste each address into Insight to see if there are any unspent transactions to it. Unspent transactions is money that was sent to you that you haven't re-spent to someone else. Note, that the "(U)" means "Unspent" and "(S)" means "Spent". A spent output has another bitcoin transaction that came later that used that output as an input. The following screenshot will show you what an unspent transaction output looks like: if you found an address from your receiving window that has unspent funds, then proceed. copy and paste the transaction id of the transaction that has your unspent funds into your scratch file. Also note which output in the transaction has your funds and the amount of bitcoin in the scratch file (see the screenshot above) now, we need to get a piece of data from the internet about your last transaction. Go here: click the button that says "load url" and put in: where txid is your transaction id This is what codebeautify.org looks like after youve pasted in the url for insight.bitpay.com: The re Continue reading >>

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