How can I recover the private key for my bitcoin address ...

Recovering private key of change address from Bitcoin Core

Hello, I am trying to help my mostly Bitcoin-ignorant friend with the following problem:
A long time ago, he mined some BTC using Bitcoin Core client with unecrypted wallet.dat.
Some years later, he added encryption to his client and sent some BTC to someone else ("transaction X"). Then he forgot the password of his wallet.dat.
He had backed up the original (unencrypted) wallet.dat file so I managed to extract private key of his mining address from it and send his funds safely elsewhere.
However, during "transaction X", around 0.7 BTC ended on a new "change address". I cannot access the private key of this "change address" because it was generated after the wallet was encrypted and he forgot the password.
Or is there a way to find this private key, e.g. are the change addresses PKs in Bitcoin Core generated using some non-random derivation algorithm?
I have access to both versions of the wallet.dat file (original unecrypted and later encrypted before "Transaction X")
EDIT: Thanks everyone. The wallet was old (non HD) type so the change address' private key is probably lost forever, unless my friend remembers his password.
submitted by fuxoft to Bitcoin [link] [comments]

Recover bitcoin private key in a password protected zip file

Ask for a friend. He bought 1.5 BTC back in 2010 and put it in a wallet with BIP38 encrypted private key and totally forgot about this until the price rose to 20K in 2017, he still has the paper wallet but couldn't remember any more the password to decrypt the private key. When created this wallet he barely understand how bitcoin works and just created a paper wallet following a tutorial he found on internet. The password is fairly long he vaguely remember.
Fast forward to 2020, he found in the old hard disk a password protected zip file name mybitcoinkey.zip which contains a .txt file. New hope arise but he wonder anyone can do a service to hack the file? Of course he is willing to pay part of the wallet to the guy.
submitted by Glue_CH to Bitcoin [link] [comments]

Recovering private key of change address from Bitcoin Core (x-post from /r/Bitcoin)

submitted by ASICmachine to CryptoCurrencyClassic [link] [comments]

Recover bitcoin private key in a password protected zip file (x-post from /r/Bitcoin)

submitted by ASICmachine to CryptoCurrencyClassic [link] [comments]

Is there a way to recover bitcoin with just the private keys?

My bitcoin was lost on a blockchain account way back when and I don’t have access to the account or even remember the email I used. I have the private keys. I’m wondering if there is any way I can use the 12 keys to retrieve the BTC or if it’s gone for good
submitted by nitrothrowaway1956 to Bitcoin [link] [comments]

Recover Bitcoin/altcoins private key using hex editor from corrupt wallet.dat file. Will not work for encrypted wallets

Recover Bitcoin/altcoins private key using hex editor from corrupt wallet.dat file. Will not work for encrypted wallets submitted by suhel29 to CryptoCurrencies [link] [comments]

@nadiaheninger and Joachim Breitner discoverer nonce biases in several Bitcoin ECDSA implementations. They were able to recover 300 Bitcoin private keys holding a whopping $54.

@nadiaheninger and Joachim Breitner discoverer nonce biases in several Bitcoin ECDSA implementations. They were able to recover 300 Bitcoin private keys holding a whopping $54. submitted by Aussiehash to Bitcoin [link] [comments]

11-14 21:13 - 'Is anyone able to recover this? This is an EXW scammers private key. QR Code is a screenshot from his Instagram Story where he withdraws FIAT from an ATM. Good luck!' (i.redd.it) by /u/doctor-crypto removed from /r/Bitcoin within 239-249min

Is anyone able to recover this? This is an EXW scammers private key. QR Code is a screenshot from his Instagram Story where he withdraws FIAT from an ATM. Good luck!
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Author: doctor-crypto
submitted by removalbot to removalbot [link] [comments]

Recover Bitcoin private key using hex editor

Recover Bitcoin private key using hex editor submitted by suhel29 to Bitcoinme [link] [comments]

Can't Recover Bitcoin Cash from Old Electrum Wallet. Getting Invalid Seed message and can't scan private key

Hoping you guys can help me out. So I found a seed for an old wallet I hadn't used in quite some time. I checked on FindMyCoins.Ninja and I see I have a little over 2 BCH on there.
I've tried following directions on various wallets to recover it and when I try to plugin my seed from my Electrum address it tells my invalid seed and when I try to scan the private key it tells me it can't scan it.
Can someone maybe point me in the right direction?
submitted by yogaandpickles to btc [link] [comments]

09-25 02:33 - 'Thanks [r/PISmoo] for the testimonial, and for allowing me to help you recover your private key! Normally these things are solved in about an hour, but yours took more like a week lol due to the fact there were six missing cha...' by /u/E-renter removed from /r/Bitcoin within 15-25min

'''
Thanks [PISmoo]1 for the testimonial, and for allowing me to help you recover your private key! Normally these things are solved in about an hour, but yours took more like a week lol due to the fact there were six missing characters plus possible additional obfuscation of the first 45 characters which we had to explore. It became a bit of a mission for me, but fortunately we solved it. Enjoy the Litecoin!
[[link]3
'''
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Author: E-renter
1: ww*.reddit.co*/r*P*Sm*o* 2: r*cover*my-*nem*ni*.c*m/ 3: rec*ver-my-mn*moni**c*m/]**2
Unknown links are censored to prevent spreading illicit content.
submitted by removalbot to removalbot [link] [comments]

"New API xpub filter added for https://www.bitindex.network Now you can filter xpubs by an address so you can easily recover the private key for an address with funds: /xpub/addrs?address= Check it out now and let us know what you think!"

Check it out now and let us know what you think!"" title=""New API xpub filter added for https://www.bitindex.network Now you can filter xpubs by an address so you can easily recover the private key for an address with funds: /xpub/addrs?address= Check it out now and let us know what you think!"" /> submitted by cryptorebel to bitcoincashSV [link] [comments]

How do I recover my Bitcoin Cash from my block.io account. I have the private keys, but I don't know how to plug it in.

Here is the first part of the keys
I have the redeem script, the redeem script hex, the public keys and the private keys but I will not be posting those obvoiusly.
submitted by ske7chpls to btc [link] [comments]

Recover bitcoin, altcoins private key from corrupt wallet.dat file tutorial. Watch Youtube Video. All crypto currencies.

Recover bitcoin, altcoins private key from corrupt wallet.dat file tutorial. Watch Youtube Video. All crypto currencies. submitted by suhel29 to Bitcoin [link] [comments]

@nadiaheninger and Joachim Breitner discoverer nonce biases in several Bitcoin ECDSA implementations. They were able to recover 300 Bitcoin private keys holding a whopping $54.

@nadiaheninger and Joachim Breitner discoverer nonce biases in several Bitcoin ECDSA implementations. They were able to recover 300 Bitcoin private keys holding a whopping $54. submitted by ABitcoinAllBot to BitcoinAll [link] [comments]

@nadiaheninger and Joachim Breitner discoverer nonce biases in several Bitcoin ECDSA implementations. They were able to recover 300 Bitcoin private keys holding a whopping $54.

@nadiaheninger and Joachim Breitner discoverer nonce biases in several Bitcoin ECDSA implementations. They were able to recover 300 Bitcoin private keys holding a whopping $54. submitted by cryptoallbot to cryptoall [link] [comments]

Best way to recover all BTC forks from old private key? /r/Bitcoin

Best way to recover all BTC forks from old private key? /Bitcoin submitted by cryptoanalyticabot to cryptoall [link] [comments]

Best way to recover all BTC forks from old private key? /r/Bitcoin

Best way to recover all BTC forks from old private key? /Bitcoin submitted by ABitcoinAllBot to BitcoinAll [link] [comments]

Recover bitcoin, altcoins private key from corrupt wallet.dat file tutorial. Watch Youtube Video. All crypto currencies.

Recover bitcoin, altcoins private key from corrupt wallet.dat file tutorial. Watch Youtube Video. All crypto currencies. submitted by ABitcoinAllBot to BitcoinAll [link] [comments]

Recover Bitcoin private key from corrupt wallet.dat file using Python Tutorial.

Recover Bitcoin private key from corrupt wallet.dat file using Python Tutorial. submitted by cryptoallbot to cryptoall [link] [comments]

Recover bitcoin, altcoins private key from corrupt wallet.dat file tutorial. Watch Youtube Video. All crypto currencies.

Recover bitcoin, altcoins private key from corrupt wallet.dat file tutorial. Watch Youtube Video. All crypto currencies. submitted by cryptoallbot to cryptoall [link] [comments]

12-08 12:03 - 'Recover Bitcoin private key from corrupt wallet.dat file using Python Tutorial.' (youtu.be) by /u/suhel29 removed from /r/Bitcoin within 45-55min

Recover Bitcoin private key from corrupt wallet.dat file using Python Tutorial.
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Author: suhel29
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