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Author Topic: Recover MultiBit Wallet password. 0.5 BTC bounty !  (Read 1720 times)
vortexz
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November 03, 2015, 10:19:23 AM
 #1

I have a friend of mine who protected his wallet with a password but he forgot it.
Is there any way it could be recovered ?
He does have 5 BTC in it, for some it may not be much but he mined them for more than a year
Could anyone help ? I will pay anyone that can help me 0.5 BTC bounty

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shorena
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November 03, 2015, 10:21:00 AM
 #2

I have a friend of mine who protected his wallet with a password but he forgot it.
Is there any way it could be recovered ?

Multibit Classic or HD? How much does your friend remember about the password?

He does have 5 BTC in it, for some it may not be much but he mined them for more than a year
Could anyone help ? I will pay anyone that can help me 0.5 BTC bounty


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November 03, 2015, 10:24:40 AM
 #3

Classic Multibit
He does not remember much but I'm pretty sure his password is not very complicated and is not very long.
might be a max 10 characters

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shorena
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November 03, 2015, 11:10:20 AM
 #4

Classic Multibit
He does not remember much but I'm pretty sure his password is not very complicated and is not very long.
might be a max 10 characters

Assuming alphanumerical symbols 10 characters is enough to make it impossible to brute force.

10(2*26+10) combinations by 1.3M attempts per second would take ~8*1050 years.

Take a look here -> https://github.com/gurnec/btcrecover/blob/master/TUTORIAL.md#btcrecover-tutorial

Esp. the part about the token file and typos.

Here is how you locate the important files -> https://github.com/gurnec/btcrecover/blob/master/TUTORIAL.md#finding-multibit-classic-wallet-files

Do you think you can build a token file with your friend and find the needed private key backup file?

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November 03, 2015, 08:32:33 PM
 #5

If you can narrow it down to a few billion passwords I think I can help you. Just did a test and the script linked above does ~360-400k passwords per second on my machine.

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November 05, 2015, 10:13:00 PM
 #6

There are services that retrieve password out of the wallet, but they charge 20% of the total wallet:

(I was about to put Daves's website for wallet recovery services but I'm not sure if that is allowed)

But I think I can put a link to his thread: https://bitcointalk.org/index.php?topic=240779.0

And of course, mine: https://bitcointalk.org/index.php?topic=1234619.0

I wish your friend can get his coins back; good luck.

I can help you to restore/recover your wallet or password.
https://bitcointalk.org/index.php?topic=1234619.0
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November 05, 2015, 10:14:32 PM
 #7

I have not heard of any problems with Dave's wallet recovery service so I think it is fine to post it directly:

http://www.walletrecoveryservices.com


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November 09, 2015, 03:53:48 PM
 #8

I contacted Dave but no response yet

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November 10, 2015, 08:39:07 AM
 #9

He responded me, I gave him the wallet like he suggested ( we agreed on he would take 20 % of the wallet, meaning 1 BTC)
Later I checked the wallet and seems like the 5 BTC are gone : https://blockchain.info/ro/address/1PGjyi4YfzPrQvkPLjpq3NG4rk3g917uTn

Looks like he is not an honest guy after all, he stole the BTC

Later edit: he replied my e-mail saying he decripted the wallet and asked for an adresss where to send the 4 BTC

Later later edit : I am now waiting for the 4 BTC promised (let's see if he will send them to me)

Later later later edit: I can see the tranzaction on the blockchain.info,  but it shows as unconfirmed and I can't see it into my wallet at all:

https://blockchain.info/ro/tx/c075cd8c8bb7aa00f32ed18ac8c98506c2ada30f4bc9d8447c9477d36aae638e

Can you guys tell if this is a legit tranzaction or not ?

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November 10, 2015, 11:01:01 AM
 #10

Hurray, I have recived my 4 BTC from my wallet !

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shorena
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November 10, 2015, 11:03:05 AM
 #11

Hurray, I have recived my 4 BTC from my wallet !

Smiley Dave is legit.

jim618
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November 10, 2015, 01:59:04 PM
 #12

Hurray, I have recived my 4 BTC from my wallet !

Glad you got your bitcoin back !

MultiBit HD   Lightweight desktop client.                    Bitcoin Solutions Ltd   Bespoke software. Consultancy.
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November 10, 2015, 04:44:59 PM
 #13

Hurray, I have recived my 4 BTC from my wallet !

Smiley Dave is legit.

Indeed he is !
I was a bit scared that he would have stole all BTC ( he could have done that for sure) but he was honest and only kept his 20% share, as we agreed on

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GoldTiger69
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November 10, 2015, 04:47:19 PM
 #14

Nice that your friend could recover his coins! Smiley

I can help you to restore/recover your wallet or password.
https://bitcointalk.org/index.php?topic=1234619.0
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