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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 enough for recovering my private keys? at least 117 of them?

How can i do this?

PS Already tried pywallet without success: ERROR:root:Couldn't open wallet.dat/main Bitcoin-qt: wallet.dat corrupt, salvage failed

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Found out that pywallet has recovery feature, and it worked:

Created 1GB FAT32 partition on flash drive(/dev/sdb1 in my case), copied corrupted wallet.dat on it and run:

nyaa@ubuntu:~/github/pywallet$ sudo ./pywallet.py --recover --recov_device /dev/sdb1 --recov_size 1Gio --recov_outputdir /home/nyaa/ ... All the found encrypted private keys have been decrypted. The wallet is encrypted and the passphrase is correct

One of change addresses with all bitcoins on it was there!

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  • Do you know if this can be run on an entire 120 Gigabyte drive using --recov_size 120Gio. Alternatively, could one also possibly cut and paste all relevant parts found by a hex editor from the drive into a new file and run pywallet, or would the file need to be at a certain level of "completeness" to start? Also, you mentioned formatting drive to fat32, is that necessary or can it be ext3 or ext4? Any help appreciated.
    – jalalideen
    Dec 1, 2017 at 10:37
  • What would be the equivalent on windows if my drive is F: ? I entered the command but I get "You must provide the device, the number of bytes to read and the output directory".
    – Adamantus
    Dec 22, 2017 at 17:46

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