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21  Economy / Exchanges / Re: Advcash | a new "anonymous" bitcoin debit card [EUR & USD] on: March 01, 2018, 03:50:44 PM
So can we use advcash or it's over for good ?
22  Bitcoin / Bitcoin Technical Support / Re: I have my wallet.dat from a backup but I can't remember my passphrase on: March 01, 2018, 03:49:03 PM
I think we already talked @ Github  Wink

Quote
I try it. But everytime , when i open btcrecoverseed, it doesn't work.

I guess you mean that: extract-electrum-halfseed.py
yep, because "extract-electrum-halfseed.py" and "extract-electrum2-partmpk.py" do not work with encrypted wallets.

Quote
And i'm sure that the wallet is from Electrum. I can't understand why my password who i wrote and the seed doesn't work.
There was a bug on my HDD when i changed Electrum version.

you ever used the password after you have changed it? If yes, and it worked - your Wallet-File is probably Corrupt (somehow) - if not, then you probably made an mistake while creating the new password.

my recommendation:
Start with the "Typos", so you can exclude that you have errors with upper/lower letters, swapt letters, missing letters or double letters. (these are usually the most common mistakes)

EDIT: I just see that HCP has already recommended this to you.

Best Regards



Yes we talk about it on github ! Wink

You ask the right question. I think but i'm not sure,  the new password worked on electrum 3.04. Then i installed 3.05 and few days later , when i try to open my wallet with the same password, it doesn't work.

There is two explanations for my problem :
- Like you said, the wallet is corrupted. I don't know what to think...Can i know for sure if my wallet is corrupted? Can i analyze the file and see if they are some errors ? I'm sure they was a problem with my hdd.
I can't restore old version of this wallet. And for my other wallet, i can, why ?
 
- Or like you said my password is wrong. I made an error when typing it. But i check my keyboard and i was very careful when changing my password.
I copy / paste it on notepad file to not make mistakes.

Now until the end of a week, i making new passwordlist.txt with multiple combinaisons and i will try it on btcrecover.
On Monday, i will tell here if i succeed.

Thanks for all of you guys, to helping me. I can't loose this money so i will try anything to recover it. If i can i will sell my wallet to anyone who can deal with this problem...

Thanks again, i hope i had good news monday. If you have any suggestions, contact me. 



23  Bitcoin / Bitcoin Technical Support / Re: I have my wallet.dat from a backup but I can't remember my passphrase on: February 28, 2018, 06:19:07 PM
@Ramulen, your solution doesn't work.

@royse777
12 exactly.

@Near28

I try it. But everytime , when i open btcrecoverseed, it doesn't work.
2.5 btc , a fortune for me. I will give 2000 dollars to the man who will find me the solution.
But i can't take the risk to lost them. For know, they are not lost, but "blocked".

If i trust someone here, and if i give a file, and then he recover my wallet with 0 btc on it, i will be on serious shit.

And i'm sure that the wallet is from Electrum. I can't understand why my password who i wrote and the seed doesn't work.
There was a bug on my HDD when i changed Electrum version.

I can't understand why it's happening...
24  Alternate cryptocurrencies / Announcements (Altcoins) / Re: ★[ANN] [NAV] NAV COIN - NAVTECH NOW DECENTRALIZED! on: February 27, 2018, 12:36:38 AM
The price doesn't moove... When it will be 1 navcoin= 10 dollars ?
25  Bitcoin / Bitcoin Technical Support / Re: I have my wallet.dat from a backup but I can't remember my passphrase on: February 27, 2018, 12:35:07 AM
Wallet.dat is from Bitcoin Core, not from Electrum... are you sure this "wallet.dat" was from Electrum? Or are you simply basing that on the output from seed recovery?


Yes i'm sure.
How can i recover the private key from a wallet ?
26  Bitcoin / Bitcoin Technical Support / Re: I have my wallet.dat from a backup but I can't remember my passphrase on: February 07, 2018, 12:44:46 PM
Try it with you way, with a new tokens.txt but nothing... Cry Cry
I dont know what to do

What exactly are you trying to recover here.
The seed should store your entire wallet shouldn't it? What else are you missing?

If the seed recovers the right addresses, then that  means that any history should alos be accurate and the derivation path is accurate. If there is nothing in the wallet then you have nothing left in that wallet.
Unless you have another wallet file, is there anything else in that folder that follows a name electrum would make (other than one you recently made for your wallet, like wallet_1 or wallet_2 etc...).

I'm trying to recover my password from my wallet and to get again access to my wallet.
The seed restore my wallet, but there is nothing on it (no balance, adresses, nothing)

I try to contact Dave but no answer...I don't know what to do i can't understand what 's wrong.
27  Bitcoin / Bitcoin Technical Support / Re: I have my wallet.dat from a backup but I can't remember my passphrase on: February 02, 2018, 06:24:45 PM
Try it with you way, with a new tokens.txt but nothing... Cry Cry
I dont know what to do
28  Bitcoin / Bitcoin Technical Support / Re: I have my wallet.dat from a backup but I can't remember my passphrase on: January 30, 2018, 12:47:18 PM
1 / I try to contact Dave but no respond...Very buzy i think.

2 / Thanks for your solution, i will try it today i will let you know. I think it can work like that. I'm sure i can recover my password, it's just a problem of making the password.txt right and put the good infos.

3 / I know that's strange for my seed. I try to swith servers, i try everything and nothing works... And I'm sure about the seed because like i said, i recover one of the btc adress. It's green on the corner everytime.

Thanks again for your help, i hope i will have good news later.
29  Bitcoin / Bitcoin Technical Support / Re: I have my wallet.dat from a backup but I can't remember my passphrase on: January 30, 2018, 12:20:15 AM
I know with one hash of my wallet you can hack it and get all my money.
Actually, that isn't true. By design, the extract script that btcrecover uses for Electrum only takes a very very small extract that cannot be used to access your wallet unless the person has the entire wallet file. The whole idea is that you can freely give the extract without worrying about loss of funds. The only info that someone would have is your password (assuming they were able to recover it).
Without access to the rest of your wallet file, it is impossible the decrypted header information could ever lead to a loss of funds.


Quote
I just need to know how to use btc recover to recover just one letter of my password.
You can't... It either finds the whole password or nothing at all. The password itself is not stored in the file, it's just used as a key for the encryption algorithm used to encrypt the wallet file and wallet file contents. So, you need the whole password to be able to test if it works.


Your options are basically:
1. Trust a wallet recovery service (give them extract or wallet file), pay fee
2. Brute force the password using btcrecover (or maybe hashcat)
3. Remember your password
4. Find the correct seed for your wallet in your records

If you remember anything at all about the password, you can significantly reduce the number of passwords that btcrecover will generate by creating an appropriate tokens file


1 : Do you know a trusted wallet recovery service ?
2 : try it doesn't work.  I don't know how to make a good token file with my password and to make btcrecover try my password with some change.
20 chars, i think just one letter or one number is wrong or not is in place.
3 : I know my password. It doesn't work. Something goes wrong when i type it. One letter or one number is different.
4 : The correct seed. I even recover one of my btc adress and i check it i can find it on receiving adress. So this is the correct seed.
I had the same problem on Multibit.


30  Bitcoin / Bitcoin Technical Support / Re: I have my wallet.dat from a backup but I can't remember my passphrase on: January 29, 2018, 05:00:26 PM
Hi mate,

Very sorry to hear about your lost coins.

You're getting some great advice in this thread, and it seems like some smart folks are already helping out.

I'd also be willing to give this a shot. I work in security and cracking passwords is part of my job. I've developed my own tricks, and perhaps one of them will work where the others have not.

I'm new on here, but you can see some of my posts on reddit at http://reddit.com/u/initstring.

I'd only need a hash of your wallet file to work on the password, not the wallet itself. I would ask for a fee if I could recover it.

Let me know if you're interested. If not, keep working hard and following the good advice on this forum.

Either way, best of luck and I hope you get your coins back!

Sorry but i can't trust you. There are lot of recovery service, you are a newbie here...
I know with one hash of my wallet you can hack it and get all my money.

I just need to know how to use btc recover to recover just one letter of my password.
31  Economy / Exchanges / Re: Advcash | a new "anonymous" bitcoin debit card [EUR & USD] on: January 28, 2018, 10:40:41 PM
Very bad news. They was the best. Now any serious alternative ?
32  Alternate cryptocurrencies / Announcements (Altcoins) / Re: ★[ANN] [NAV] NAV COIN - NAVTECH NOW DECENTRALIZED! on: January 28, 2018, 12:24:22 PM
When your anonymous exchange will be release ?
33  Bitcoin / Bitcoin Technical Support / Re: I have my wallet.dat from a backup but I can't remember my passphrase on: January 26, 2018, 06:59:24 PM
Honestly, no.

If your seed is restoring a different wallet... And your password isn't working, then your last resort is attempting to bruteforce it.

The use of a seed was meant to help recover from corrupted wallet or forgotten password scenarios, by simply allowing you to completely restore the wallet from just the 12 words.

Unfortunately, it doesn't cover the situation where the seed written down doesn't match the wallet in use Undecided

This is why I always test that a recovery seed works and restores the same addresses before using any wallet

Good luck with finding the password... I'm sure the search time is measured in days! Shocked

I can't loose this wallet... I really can't , i have to find a solution. What about recovery service ?

EDIT : Can't do it . Try it --max-eta 1 hours at least 8,900,000 passwords to try ETA > and the it close.

Can i define btc recover to find just one letter of the password ? Just one, i think it will be enough.
34  Bitcoin / Bitcoin Technical Support / Re: I have my wallet.dat from a backup but I can't remember my passphrase on: January 26, 2018, 03:33:55 PM
Thanks for your advice i actually doing it i will know you the result.
Can i do something else to try to recover my wallet ?
35  Bitcoin / Bitcoin Technical Support / Re: I have my wallet.dat from a backup but I can't remember my passphrase on: January 26, 2018, 12:21:39 PM
Might I suggest that you attempt to use btcrecover with a KNOWN wallet and password? That way, you can be 100% sure that you have setup btcrecover correctly and that it works the way you expect.

1. Create a new wallet in Electrum... call it "btcrecoverTest"
2. Set password as "abc123"
3. Create a testTokens.txt file containing just one line:
Code:
%3a%3d
NOTE: this testTokens.txt file will generate ALL combinations of 3 letters + 3 numbers

4. run btcrecover using:
Code:
btcrecover.py --wallet btcrecoverTest --tokenlist testTokens.txt --autosave testSave

You should get something like:


As you can see... even a very "weak" password combination of 3 letters + 3 numbers creates over 17.5 MILLION combinations... and will take over 1.5 hours on a Core i5-3570K+8Gigs to test all of them.

It's working, i have clear all the problem with btcrecover. But it still can't find my password.
My password is a combinaison of letters and numbers. How can i make a token to force btcrecover to try all the combinaison ?
36  Bitcoin / Bitcoin Technical Support / Re: I have my wallet.dat from a backup but I can't remember my passphrase on: January 25, 2018, 12:10:51 PM
My bad, i always thought that electrum wallet was .dat
Just for the record, i succed using btcrecover. But he gives me an error at some point : "memory full "
He can't finish the process. I try with a smaller tokens files, nothing found.

I'am sick. I don't know what to do. There must be a way.

Can you post a screenshot of your btcrecover window when this error occurs.

Yes i can. I'm actually doing an another try with btcrecover, when it will be finish i will post the screen.
Still looking for a solution at my problem.

There is a way to restore the old password from my wallet ? Can i use an another software for the seed or the wallet ?

EDIT : Btcrecover is stuck after analysing my wallet "wallet difficulty encrypt "
Can't find anything
37  Bitcoin / Bitcoin Technical Support / Re: I have my wallet.dat from a backup but I can't remember my passphrase on: January 24, 2018, 01:44:48 PM
No... recent Electrum wallets don't use any file extension (ie v2.x etc). The default wallet is called "default_wallet"... any further wallets are given default names like "wallet_1","wallet_2" etc... if you change the name they will be called whatever name you give without a file extension... ie. "MySuperSecretWallet" etc.

If your old file is called wallet.dat then it is likely from either Bitcoin Core or some other altcoin based on the Qt wallets... (dogecoin core, litecoin core etc)


My bad, i always thought that electrum wallet was .dat
Just for the record, i succed using btcrecover. But he gives me an error at some point : "memory full "
He can't finish the process. I try with a smaller tokens files, nothing found.

I'am sick. I don't know what to do. There must be a way.

38  Bitcoin / Bitcoin Technical Support / Re: I have my wallet.dat from a backup but I can't remember my passphrase on: January 23, 2018, 12:01:32 PM
You need to use --tokenslist 'C:\python27\python\tokens.txt'

Using --passwordlist will treat the items in tokens.txt as the ACTUAL passwords... It won't generate all the combinations.

In other news... Why do you keep blaming Electrum if you had a wallet.dat? Wallet.dat is from Bitcoin Core, not from Electrum... are you sure this "wallet.dat" was from Electrum? Or are you simply basing that on the output from seedrecovery? Huh

In any case, you can't blame the software because you forgot your password.



The extension of a wallet from Electrum is not .dat ? I don't use bitcoincore. I don't forget the password. I' AM SURE.I explain on the other post.
The update of Electrum corrupt my wallet i'm sure of that.

EDIT : now btcrecover refuse to work.. I open it and 1 second later, it close.
When i type C:\Users\Admin>C:\python27\btcrecover-master\btcrecover.py --wallet C:\python27\
btcrecover-master\mywallet --passwordlist=C:\python27\btcrecover-master\tokens.txt

Nothing happens , it get back to C:\users\admin
This is an endless nightmare.
39  Bitcoin / Electrum / Re: Electrum wallet virus on: January 23, 2018, 11:57:36 AM
Regardless of your password or wallet file being corrupted... You should still be able to recover using the seed. The fact that your seed is coming up with an empty wallet, leads us to the only logical conclusion. Which is that, unfortunately, some how you have ended up using a different wallet than the one you copied the seed down for. Undecided Possibly a wallet file that you had already  generated before creating the one that you have the seed for... But then by accident you started using the first wallet which you didn't have the seed for.

How many files are in the "wallets" directory if you select "file -> open"?

If you have multiple... Do any of the other wallet files contain the same addresses as the wallet restored with your seed?

I should but i can't. I'm sure about the sed words, sure about the password. I make three copies of it. I have only 3 wallets, i check the password of each and the seed , everything is in the right place. I try old versions of electrum. I try in a second pc.
I don't know what to do seriously. I am sure the wallet is corrupted, because normally i can restore an older version. On this particular wallet, i can't.
My only chance, it's maybe to restore the old password but i don't know if it's possible and how to do it.

I only use this wallet when i change the version. I am sure that when i install first the 3.4 version and 24 hours later the 3.5 version with changing the password, it makes something about the wallet and the password...
40  Bitcoin / Bitcoin Technical Support / Re: I have my wallet.dat from a backup but I can't remember my passphrase on: January 22, 2018, 10:19:16 PM
Doesn't work... I m' crying right now. It's a fucking nightmare.

I have tokens.txt on the right folder and my wallet on the right folder.
It doesn't reconize anything.

I type -- wallet mywallet and --tokenlist tokens.txt
What the fuck is wrong damn it . Why it is not reconize ?

"No such file or directory tokens.txt" I'm dying. Fucking Electrum

Edit : with --passwordlist it's working.
Now with --wallet it's not working. He don't reconize my wallet, i change the name but nothing. I had extension .dat but nothing.


Are you using the absolute directory path, sometimes if you don't then stuff doesn't work (even if it's in the same folder). Also, uuse speach marks '' to surround the text of the directory/file name.

An absolue directory reference includes the path before it.
E.g
'C:\users\user\appdata\local\bitcoin\wallet.dat' is absolute.

'wallet.dat' - isn't!

I don't understand what you say. I put my wallet on btcrecover folder. I type C:\python27\python btcrecover.py --wallet wallet.dat --passwordlist tokens.txt

And always the same error : errno2 no such file or directory "myfuckingwallet"

I can use tokens.txt now, when typing --passwordlist not tokenlist.
But my wallet can't be reconized. ANd when i try to use seedrecover.py it says :
Electrum 2.8+ fully encrypted wallet files cannot be read.. Try to recover from your master extend public key or an adress...

Where can i find the master extend public key ? Maybe this is the solution.
Because btcrecover can't work...
Thanks again Electrum great job.

The Master Public Key... errrr, that file or it can be taken out of that file anyway.
Actually, can you load up the file in electrum? If you have a password just on the private keys and not the entire wallet file than it would be possible to pick up your master public key from that, not sure it can be reverse engineered though but maybe that is what gets searched for in the file then.

I mean run these:
Code:
C:\python27\python btcrecover.py --wallet 'wallet.dat' --passwordlist 'tokens.txt'

Code:
C:\python27\python btcrecover.py --wallet 'C:\python27\python\wallet.dat' --passwordlist='C:\python27\python\tokens.txt'

And just check it's not a directory issue. If you're not using the quotation marks, on python scripts, that is often how the issue gets caused.

Thanks, finally it's working adding directory path.
Now it can't find the password with my indications... "Using 4 worket Threads" 13of 13
It's very short... 3 Days i'm on it night and day.
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