Author

Topic: Bitcoin Core Wallet Recovery (Read 1351 times)

sgk
legendary
Activity: 1470
Merit: 1002
!! HODL !!
December 17, 2014, 01:41:54 AM
#11
Hello,

I forgot my pass-phrase.
I have these things with myself -
* My Wallet Address
* My Private Key (Encrypted)
* My Wallet.dat

How can i get my wallet back?
Help!

http://www.walletrecoveryservices.com/

The admin of that site is a trusted member on this forum and he has successfully helped recover BTC for many people.
They have 20% fees so if they're able to recover your BTC, you can keep 80% of the amount.

Just contact them and see if it helps.
full member
Activity: 182
Merit: 100
December 13, 2014, 07:40:25 AM
#10
Hello,

I forgot my pass-phrase.
I have these things with myself -
* My Wallet Address
* My Private Key (Encrypted)
* My Wallet.dat

How can i get my wallet back?
Help!

I can help you to recover your password, but actually you can recover it by yourself, you can use btcrecover posted above
hero member
Activity: 543
Merit: 500
December 10, 2014, 03:24:42 AM
#9
Write down what you can remember now, and try to think about the remaining part.

Unless the pass was a really short phrase I dont think its doable, so it sounds dodgy to me.
OP, did you use any weird characters like @ >< whatever? how was the pass like? how long?
Depending on how long and what characters you use not even NSA will break it in a lifetime of bruteforcing, unless they have some alien tech shit.

Exactly. Unless you have a short password, or you can remember majority of your password, it won't be feasible to brute-force it.


i need a script that i know the first 9 charasters but not the rest could be unto 9 long

Hello I opened a wallet long ago i have 0.8 btc, I absolutely remember not the password, I just know that I put 10 characters with uppercase in the word. Is it possible to have a script that test every possible combination of word 10 character?

It's not feasible to guess completely random passphrases.  Here are how many days it it will take with one CPU:

Code:
   passphrase length            lowercase         alphanumeric        any character
                   1                 0.00                 0.00                 0.00
                   2                 0.00                 0.00                 0.00
                   3                 0.00                 0.03                 0.10
                   4                 0.05                 1.71                 9.43
                   5                 1.38               106.03               895.58
                   6                35.75              6574.10             85080.08
                   7               929.61            407594.28           8082607.59
                   8             24169.80          25270845.55         767847721.40
                   9            628414.78        1566792424.34       72945533532.94
                  10          16338784.22       97141130308.84     6929825685629.39

Even with a large budget (thousands of CPUs or GPUs) you could only do 6 or 7 characters.

It's only possible to crack a passphrase when you know most of it and the unknown part is constrained.  That's why I have so many custom tailored scripts in this thread - each targets a narrow pattern which could be identified.
hero member
Activity: 770
Merit: 509
December 09, 2014, 12:13:19 PM
#8
Actually i dont know how to use btcrecover.
And i remember the amount of words used.

Any tutorial?

There are also several persons offering a wallet recovery (password brute-forcing) service here on bitcointalk. For example, you may want to check https://bitcointalksearch.org/topic/bitcoin-wallet-password-recovery-717334.

PS. I haven't used any of those services and don't know how good or bad they are.

Unless the pass was a really short phrase I dont think its doable, so it sounds dodgy to me.
OP, did you use any weird characters like @ >< whatever? how was the pass like? how long?
Depending on how long and what characters you use not even NSA will break it in a lifetime of bruteforcing, unless they have some alien tech shit.
legendary
Activity: 1134
Merit: 1002
December 08, 2014, 04:09:50 AM
#7
Actually i dont know how to use btcrecover.
And i remember the amount of words used.

Any tutorial?

There are also several persons offering a wallet recovery (password brute-forcing) service here on bitcointalk. For example, you may want to check https://bitcointalksearch.org/topic/bitcoin-wallet-password-recovery-717334.

PS. I haven't used any of those services and don't know how good or bad they are.
hero member
Activity: 560
Merit: 500
December 07, 2014, 09:21:47 AM
#6
Actually i dont know how to use btcrecover.
And i remember the amount of words used.

Any tutorial?

Okay, you know the amount of words but not the words itself? Maybe you can remember one of the words...

Just read this tutorial: https://github.com/gurnec/btcrecover/blob/master/TUTORIAL.md
full member
Activity: 154
Merit: 100
SatoshiBet.com ✯ Bitcoin Casino Games
December 07, 2014, 07:54:33 AM
#5
Actually i dont know how to use btcrecover.
And i remember the amount of words used.

Any tutorial?
hero member
Activity: 560
Merit: 500
December 07, 2014, 07:32:09 AM
#4
Do you remember more or less the password? Maybe you can bruteforce it.

Yeah, as example with "BTCRECOVER". Wink
legendary
Activity: 1330
Merit: 1001
December 07, 2014, 07:22:44 AM
#3
Do you remember more or less the password? Maybe you can bruteforce it.
hero member
Activity: 560
Merit: 500
December 07, 2014, 05:21:54 AM
#2
full member
Activity: 154
Merit: 100
SatoshiBet.com ✯ Bitcoin Casino Games
December 07, 2014, 05:12:53 AM
#1
Hello,

I forgot my pass-phrase.
I have these things with myself -
* My Wallet Address
* My Private Key (Encrypted)
* My Wallet.dat

How can i get my wallet back?
Help!
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