Got my hash but missing the password

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hodler2019Legendary
Posts: 2182 · Reputation: 12913
#1Jul 28, 2023, 06:35 PM
I saved my hash from my dat file back in 2020, but I'm totally stuck on how to retrieve my password. Is there any service out there that can help with this?
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alt_gangFull Member
Posts: 70 · Reputation: 451
#2Jul 28, 2023, 07:56 PM
If you still have the wallet.dat and the hash, recovery is possible, but only if your password isn't too complex. Most "services" are just brute force tools, so be careful of scams. You can try tools like BTCRecover yourself first. If you go with a service, in which idk and never heard of, just make sure it's reputable and never give full access to your wallet without safeguards.
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hodler2019Legendary
Posts: 2182 · Reputation: 12913
#3Jul 28, 2023, 08:37 PM
Yes I have the dat backup. Thanks for the advice
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coin_sigmaLegendary
Posts: 1275 · Reputation: 5553
#4Jul 29, 2023, 12:58 AM
If the hash you're referring to is the hash value from the .dat file, it has nothing to do with the wallet.dat file used for password recovery. You can try brute forcing your wallet.dat, but as the above said, it depends on the complexity of your password. However, remembering some of your password can increase your chances of recovering it. All guides, documentation, and tools are available at https://btcrecover.readthedocs.io/en/latest/. Alternatively, you can find a professional wallet recovery service here: https://bitcointalk.org/index.php? topic=240779.00
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gr3g.0rbitHero Member
Posts: 1025 · Reputation: 2646
#5Jul 29, 2023, 03:36 AM
This user should be reputable enough based from his rating and website's TrustPilot ranking. Link: /index.php?action=profile;u=130960 (a.k.a Dave of walletrecoveryservices) But be aware that his service has a 20% fee upon successful attempt only, not to be paid up front. Ref: walletrecoveryservices.com/pricing But no matter how reputable the service is, make sure that you'll only send that hash rather than the wallet.dat itself. If someone insist that they absolutely need the wallet file, keep away from it. At minimum, they only require your wallet's hash dump and one address or public key/master public key (or transaction ID if neither is available), anything more is unnecessary for brutefoce. Of course, your possible passwords.
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hodler2019Legendary
Posts: 2182 · Reputation: 12913
#6Jul 29, 2023, 05:34 AM
Thanks I have my public master ready. Would I need to supply the wallet address or is that really not an issue ? unfortunate he asked for the Dat file. Which I will never be sending out again. I did this many years ago and it ended out all over.
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gr3g.0rbitHero Member
Posts: 1025 · Reputation: 2646
#7Jul 29, 2023, 09:32 AM
Not if you already have the xpub, And it's faster to bruteforce with the master public key than the address since it'll skip a few rounds of RIPEMD160 and SHA256 per try if it doesn't have to derive the child addresses. Hmm, that's odd, it's indicated in his website that it's not mandatory to send it. He might be suspecting something fishy in your story (like inconsistencies or something), services like his just don't want to waste resources on fake for sale wallet files. Try your best to explain to him that the wallet is yours with consistent and honest information. In any case, just don't send it to anyone including him like you said.
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humbleledgerLegendary
Posts: 1027 · Reputation: 6554
#8Jul 29, 2023, 09:42 AM
I don't believe you spoke to Dave, and I'm certain he wouldn't fall for an anonymous unknown to act as an intermediary. NO! Don't trust a random newbie with phishing links! Update: the Newbie who posted this got Nuked. I'll leave this here as a warning
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