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News: Latest Bitcoin Core release: 27.0 [Torrent]
 
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101  Bitcoin / Bitcoin Technical Support / Re: 51 Btc locked up... on: December 17, 2017, 05:16:01 PM
Now I'm starting to doubt the seed I wrote down from Trezor is the correct one, the firmware is still on 1.4.2 and haven't updated so there might be some exploits available. Will I still be able to obtain the seed with the latest exploit around even though I can't remember the password?
~
I know Saleem is the hardware hacker that discovered the Trezor vulnerability but how can we put it to use? Thanks in advance
The full story on the guy who forgot the PIN of his Trezor is on wired.com. Thanks to Saleem he got it back! He had 7.4BTC in there. I read the full story a while ago. I'd say start your search from there, contact Saleem, and ask (and pay!) for his help. Be very careful, as you'll only get one shot at flashing a hacked firmware. Good luck, and please update your results here!

So if there's already a way to brute trezor does it mean trezor is not safe anymore? Please correct me if I'm wrong because I'm really into confusion.
Only on the old firmware, before the back door was closed.
102  Bitcoin / Bitcoin Technical Support / Re: 51 Btc locked up... on: December 17, 2017, 11:37:47 AM
Has anyone tried using a hypnotist? It seems like a logical solution to the forgotten password situations.
103  Bitcoin / Bitcoin Technical Support / Re: Help me recover bitcoin wallet, payment 10BTC on: December 15, 2017, 07:38:52 AM
Has anyone ever tried a hypnotist?
104  Bitcoin / Bitcoin Technical Support / Re: Broken BTC core wallet.dat, 0,1 BTC reward for fix!! on: December 05, 2017, 08:38:12 PM
if u have already tried those you can try this alternative way, yuo can try with HEX editor a good guide is here, is faster link the guide so


here



https://bitcointalk.org/index.php?topic=2012533.msg20052960#msg20052960


Pretty sure this won't work on a encrypted wallet, correct me if i'm wrong.
105  Bitcoin / Development & Technical Discussion / Re: Corrupt wallet.dat, salvage not working, using pywallet.py - Please help :) on: December 01, 2017, 11:07:37 PM
Check out my recent thread in technical support.
106  Bitcoin / Bitcoin Technical Support / Re: pywallet install help on: December 01, 2017, 04:56:02 PM
Any update?

Did you manage to get the recovered wallet loaded into Bitcoin Core?

There doesn't appear to be any funds in the wallet.dat files that I have recovered Sad. I have another hard drive to check and possibly some usb sticks he has, but it's looking like the wallet was overwritten when my brother-in-law reinstalled windows unless he used the other storage devices as well. There are a couple of litecoin wallet files on this drive, do you know what to add to the command for retrieval? I would like to thank you for helping me to figure pywallet out, and it will be very helpful for trying the remaining last chances of retrieval. If I retrieve nothing, i think this thread will be very useful for others in the same boat. Thanks again and if by a miracle I do find some coins I will definitely throw some your way. Smiley
107  Bitcoin / Bitcoin Technical Support / Pywallet vs expensive recovery software on: November 30, 2017, 08:55:38 PM
Which will find more deleted wallet information on a hard drive?
108  Bitcoin / Bitcoin Technical Support / Re: Lost all my bitcoin on the day of the fork in bizarre turn of events on: November 28, 2017, 03:40:31 PM
I presume you haven't opened any of the coin base phishing emails going around?
109  Bitcoin / Bitcoin Technical Support / Re: Pre HD wallet.dat into new Bitcoin Core on: November 28, 2017, 03:29:20 PM
You can always download the old wallet and export the private key then in the new wallet import the private key.

The most common advice i've seen to start using the HD format is to empty is to send your own bitcoins into a new empty wallet, so you would need to create an empty wallet, create receiving addresses (as many as needed for privacy reasons) and then send the BTC there. Newly created wallets are HD by default since 0.13 I think.

Sweeping private keys is not recommended because it could be fatal if your computer was compromised and attacker saw them.

The good news is, apparently (according to achow here) version 0.16 will automatically convert your wallet into an HD wallet so you don't need to waste fees doing this.
So balance would not show up even using HD=0 command (assuming it contains some BTC)? Core crashes without that command with recovered wallet.dat. Thanks.
110  Bitcoin / Bitcoin Technical Support / Pre HD wallet.dat into new Bitcoin Core on: November 27, 2017, 09:57:49 PM
I have a recovered wallet.dat file from an old Bitcoin Core that I have recovered using Pywallet with the kind help of forum member HCP. If I use that wallet.dat in the latest Bitcoin Core with the useHD=0 and rescan options and it is synced, then will it show any Bitcoins that are in there. Thanks.
111  Bitcoin / Bitcoin Technical Support / Re: pywallet install help on: November 26, 2017, 11:55:41 AM
I ran another recover but added a couple of variations on the password. This is the result i got but i have a feeling i still won't be able to run the dat file in core, or dump it like before. Notice that as it ran the recovery every one of the keys was shown on screen, but i can't scroll back to top of screen to look at them all. I tried to dump the wallet with the new python and packages installed, but it gave the same result as before. I will try to dump this result later sometime, please see screenshots below for new recovery results. Thanks. Smiley











Got recovered wallet to run with "If that doesn't work... try starting Bitcoin Core with -usehd=0 command" but i'm thinking i will have to do a rescan, how would i add that command on to core startup. Thanks. ps no rush i know your busy. Smiley (edit again!) i added rescan option and waiting for it to finish.
112  Bitcoin / Bitcoin Technical Support / Re: pywallet install help on: November 26, 2017, 12:20:37 AM
I think everything is installed correctly except one component which i believe to be bsddb which is mentioned on the pywallet thread as being required. At the start of my pywallet it says a mandatory component is missing so i'm thinking it is this. Thanks again.





113  Bitcoin / Bitcoin Technical Support / Re: pywallet install help on: November 25, 2017, 07:33:47 PM
After re installing python and running those commands i get this.




But with pycrypto i get this at the end of the install attempt.


(Edit) installed visual and pycrypto appears to have installed correctly this time. Will run another recover as soon as i'm able.
114  Bitcoin / Bitcoin Technical Support / Re: pywallet install help on: November 25, 2017, 11:56:42 AM
Managed to grab a chance to try your suggestion result below.

115  Bitcoin / Bitcoin Technical Support / Re: pywallet install help on: November 25, 2017, 10:26:45 AM
Yes, it would seem that maybe your Python install is not quite "complete"... if you try these commands, what output do you get?

Code:
C:\Python27\Scripts\pip.exe install ecdsa
Code:
C:\Python27\Scripts\pip.exe install pyaes
Code:
C:\Python27\Scripts\pip.exe install pycrypto

If you don't get a message similar to "Requirement already satisfied: pyaes in c:\python27\lib\site-packages", then it is likely that the libraries were missing Wink

After we sort this out, you'll need to run the pywallet --recover command again... I'm interested to see what the actual output of the pywallet --recover is. It is quite possible that the password you provided for it to use was not the correct one and it was unable to actually decrypt the recovered key data.

Thanks a lot for your time and help. I will try these next steps as soon as I get time as I have a mountain of jobs to do at home today and family commitments. Smiley
116  Bitcoin / Bitcoin Technical Support / Re: pywallet install help on: November 24, 2017, 07:22:31 AM
I know that bsddb should be installed with python which I didn't do, I presumed it was included in the pywallet exe maybe that is the problem?
117  Bitcoin / Bitcoin Technical Support / Re: pywallet install help on: November 23, 2017, 07:39:51 PM
Had a few attempts but getting errors. Screenshot shown of results. Cheers.

118  Bitcoin / Bitcoin Technical Support / Re: pywallet install help on: November 23, 2017, 01:41:27 PM
One thing I don't understand is that on previous posts where someone has scanned a device it would give a result such as x number of wallets, x number encrypted keys passphrase is correct etc. With the results I got it just said the 102 recovered keys are in the folder. Also will the partial recovery result contain anything useful or is it just the larger .dat file? Thanks for your time, I will have another play tonight when I finish work.
119  Bitcoin / Bitcoin Technical Support / Re: pywallet install help on: November 23, 2017, 07:28:05 AM
Would installing a pre HD Core work?, and could you tell me what the other recovered files are please ie db.001 and the partial recovery. Thanks for all your help.
120  Bitcoin / Bitcoin Technical Support / Re: pywallet install help on: November 22, 2017, 07:24:56 PM
Hi again HCP, these are the results from the scan. Which of these do i try in Bitcoin Core please, i realise it's all a long shot but at least i will have tried. Thanks for any reply. Cheers.








(edit) This is the debug when Core closed with error after trying the recovered wallet file.

2017-11-22 20:22:27 LoadBlockIndexDB: last block file info: CBlockFileInfo(blocks=59, size=48450345, heights=457847...458019, time=2017-03-18...2017-03-19)
2017-11-22 20:22:27 Checking all blk files are present...
2017-11-22 20:22:28 LoadBlockIndexDB: transaction index disabled
2017-11-22 20:22:28 LoadBlockIndexDB: hashBestChain=0000000000000000019a5ed01b75a2d253bedb1ac96db2c2202e482074e01e1c height=457941 date=2017-03-19 08:58:45 progress=0.749998
2017-11-22 20:22:28 init message: Rewinding blocks...
2017-11-22 20:22:29 init message: Verifying blocks...
2017-11-22 20:22:29 Verifying last 6 blocks at level 3
2017-11-22 20:22:29 [0%]...[16%]...[33%]...[50%]...[66%]...[83%]...[99%]...[DONE].
2017-11-22 20:22:31 No coin database inconsistencies in last 7 blocks (10016 transactions)
2017-11-22 20:22:31  block index            9191ms
2017-11-22 20:22:31 init message: Loading wallet...
2017-11-22 20:22:31 nFileVersion = 140200
2017-11-22 20:22:31 Keys: 0 plaintext, 202 encrypted, 0 w/ metadata, 202 total
2017-11-22 20:22:32 Performing wallet upgrade to 60000
2017-11-22 20:22:32

************************
EXCEPTION: St13runtime_error       
GenerateNewHDMasterKey: AddKeyPubKey failed       
D:\Program Files\Bitcoin\bitcoin-qt.exe in Runaway exception       

2017-11-22 20:22:37 CDBEnv::EnvShutdown: Error 22 shutting down database environment: Invalid argument
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