Lost last 7-9 digits of my second Blockchain password

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noncehubMember
Posts: 370 · Reputation: 49
#1Sep 8, 2021, 07:11 AM
Hey everyone, I've got the first nine characters of my second password down, and I know the exact capitalization of the letters. The last two characters of those first nine are numbers, and I suspect the missing 7-9 characters have some repeated digits. I tried using these hints with wildcards, but it seems like btcrecover only attempts 4 or 5 combinations: ^1^ASDFGHj 12%7,9d Should I also factor in possible typos? I'd really appreciate any advice.
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blockhubMember
Posts: 1140 · Reputation: 43
#2Sep 8, 2021, 08:10 AM
Are you trying to brute force the blockchain wallet backup in JSON format? You might be using an old version of BTCrecover which is why it only tries 4 to 5 times. Try this one https://github.com/3rdIteration/btcrecover Also, check the usage sample here https://btcrecover.readthedocs.io/en/latest/Usage_Examples/2020-05-08_Recovering_Blockchain_Wallet_Passwords/Example_Recovering_Blockchain_Wallet_Passwords/ If this is a blockchain wallet why not recover your wallet with your backup seed phrase? I think it is better to hire professional recovery services because it's hard to guess 7 or 9 characters. You can find the official thread here https://bitcointalk.org/index.php?topic=240779.0
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vectorhubMember
Posts: 42 · Reputation: 129
#3Sep 9, 2021, 10:27 AM
Hi, Its better to extract the hash and use hashcat. You can find it here: https://hashcat.net/hashcat/ Looking at your password ^ is a character that sometimes gets interpreted differently depending on your keyboard setup. If you want to stick with btcrecover try  --typos-insert and --max-typos-insert Good luck! /KX
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titanx539Member
Posts: 891 · Reputation: 117
#4Sep 9, 2021, 04:27 PM
Have you used --passwordlist intead of --token? If so, it could be the reason for the very small iterations which is as much line as the passwordlist, if not used with certain "typo" args. Your choices are either: Use --token your-tokens.txt ∙ then use the same "your-tokens.txt" in your example.Use --passwordlist your-passwordlist.txt --has-wildcards ∙ then use a single line of "your-passwordlist.txt" instead: ASDFGHj12%7,9d
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