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Author Topic: I have lost 8 letters of my Ethereum private key  (Read 685 times)
amd1361
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July 19, 2019, 11:47:58 AM
 #1

Hi there
I have lost the last 8 letters of my ethereum wallet private keys. I wonder if there is a way to restore those letters. I searched the net and found out that it is possible to do it usuing a C or Python program.
If you know a way to solve my problem , please let me know
thanks 
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July 19, 2019, 11:52:28 AM
 #2

Considering the complexity of a wallet private key, the odds of guessing a 8-characters alphanumeric private keys are 1 in 2.1834E+14 (62^8). That's one in 218 trillion-plus. I don't think you have the chances of restoring those letters anymore.
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July 19, 2019, 01:41:08 PM
Last edit: July 19, 2019, 01:51:15 PM by khaled0111
 #3

Considering the complexity of a wallet private key, the odds of guessing a 8-characters alphanumeric private keys are 1 in 2.1834E+14 (62^8). That's one in 218 trillion-plus. I don't think you have the chances of restoring those letters anymore.
Actually ethereum private keys are 64 Hex characters.

@op, if you don't know the exact positions of the missing characters, then your chances to guess your private key are practically near Zero.
If you know their positions and assuming you know the corresponding address then you can use any brute-forcing script that will try each possibility, derive its corresponding address and compare it against yours (there are 16^8 = 4294967296 possibilities)

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July 19, 2019, 01:41:41 PM
Last edit: July 19, 2019, 01:59:29 PM by Coding Enthusiast
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 #4

Considering the complexity of a wallet private key, the odds of guessing a 8-characters alphanumeric private keys are 1 in 2.1834E+14 (62^8). That's one in 218 trillion-plus. I don't think you have the chances of restoring those letters anymore.

Private keys aren't any random alphanumerics characters, they are usually encoded using some encoding scheme which means their set of characters are limited to a much smaller number.
In case of ethereum I believe it uses hexadecimal or base-16 encoding which means losing last 8 characters is equal to losing the last 4 bytes and the space to search is about 4.3 billion which is not that big a deal. But OP needs to have at least his address and preferably his public key to make this an easy possibility.

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July 19, 2019, 02:46:14 PM
 #5

Probably https://walletrecoveryservices.com/ would be a good idea.

They are professionals and have a good reputation in the forum
As coding enthusiastt said it is doable.

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July 20, 2019, 09:38:23 AM
 #6

Thanks for your reply
How can I rely on that website
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July 20, 2019, 10:02:40 AM
 #7

Hi there
I have lost the last 8 letters of my ethereum wallet private keys. I wonder if there is a way to restore those letters. I searched the net and found out that it is possible to do it usuing a C or Python program.
If you know a way to solve my problem , please let me know
thanks 

i don't think if you already lost a part from your private key, you can recover it my friend
but, i see somebody give a link about a wallet recovery service, maybe you can try their service,,
and everything is in your hands now

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July 20, 2019, 10:10:48 AM
 #8

Thanks for your reply
How can I rely on that website


You can rely if they have feedback on this forum. On their site under testimonials they have link to their original thread on this forum: https://bitcointalk.org/index.php?topic=240779.0;all    It goes on from 2013 and if they would scam anyone would be for sure written there. And they would get bad trust ratting.

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July 20, 2019, 10:11:54 AM
 #9

Hi there
I have lost the last 8 letters of my ethereum wallet private keys. I wonder if there is a way to restore those letters. I searched the net and found out that it is possible to do it usuing a C or Python program.
If you know a way to solve my problem , please let me know
thanks 
If the problem you are experiencing right now is losing 8 sequences from Ethereum's private key wallet, I think there is no solution other than creating a new wallet address. Have you saved the pdf format?
If I may know, why can it disappear?

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July 20, 2019, 10:15:13 AM
 #10

Probably https://walletrecoveryservices.com/ would be a good idea.

They are professionals and have a good reputation in the forum
As coding enthusiastt said it is doable.

Interesting I bookmarked this one 8 letters it's almost impossible, but if the wallet has a huge amount of coins and those coins has a lot of coins that have potential in the market in the future, then better go for this service, let the professionals do it, it will take a lot of time if you decide to do it by yourself.

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July 20, 2019, 06:34:02 PM
 #11

Very little possibility to rediscover the key. I don't think it will come back, unless you try the one suggested above but need a lot of time for that. You can do it, except forget and make a new one. Unless you still hope it will return.
  You are right when once you lose your private key then it recovers with problems so better keep it safe at the beginning. We use wallet to store our coin and the safety of our wallet is about the privacy of the private key that’s why it is not good to share your private key with anyone and to avoid forgetting we should write it as a message in our phone.
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July 20, 2019, 07:09:33 PM
 #12

Sorry about losing some letters of your private key but next time try to be more careful. About retrieving it, your chances are almost zero. Assuming you have wallets like IMTOKEN, you can export the private key from there provided you know the wallet password, some wallets have this function.  

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July 20, 2019, 07:58:44 PM
 #13

Sorry about that, but I think you have lost it totally.  Those private keys gives you control of your wallet and if they are tampered with will lose all access. Take your time and search for it, because I don't think there is anyone who can help you.

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July 20, 2019, 08:11:01 PM
 #14

Woow, in the other thread the fellow lost his XRP key now here you lost your ETH keys. Am sorry to tell you that virtually no one can help you because there is a reason why it's private and remains like that. However, if you used it within an app you can play around the settings to see if there is a way out.

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July 20, 2019, 09:33:30 PM
 #15

This is as good as lossing all characters in your private key. There are more than 1billion combination and possible guess which is highly impossible.  The best you can do now is to find the private key

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July 20, 2019, 09:43:55 PM
 #16

Probably https://walletrecoveryservices.com/ would be a good idea.

They are professionals and have a good reputation in the forum
As coding enthusiastt said it is doable.
So if they can figure out the private key of him. Means that, none of our private key is safe here?
Sorry for this conclusion, but it makes me wonder. Imagine if i want to solve someone private's key but pretend that it's my address?

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July 20, 2019, 09:45:08 PM
 #17

I have not heard of anyone who have being able to recover his lost keys, so I don't think you will be able to access the wallet again. Sorry for that and henceforth always ensure you take adequate security steps to safeguard your assets.

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July 20, 2019, 09:51:17 PM
 #18

Oh so sorry about this, is it that you didn't backup your private keys? I don't think you can ever get the private keys back so move on already.
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July 20, 2019, 10:16:43 PM
 #19

OP how did this happen? I don't know how you only have part of your privatekey.


Probably https://walletrecoveryservices.com/ would be a good idea.

They are professionals and have a good reputation in the forum
As coding enthusiastt said it is doable.
So if they can figure out the private key of him. Means that, none of our private key is safe here?
Sorry for this conclusion, but it makes me wonder. Imagine if i want to solve someone private's key but pretend that it's my address?

Exactly, if it was so easy then we should all be very worried. That is an interesting website, I would love to see how it is done. I think you need to still have a lot of details about the wallet. I think having 8 missing letters is not so bad and if anyone can do it they can. I still don't see how it is possible but he at least has a large part of his privatekey.

This is as good as lossing all characters in your private key. There are more than 1billion combination and possible guess which is highly impossible.  The best you can do now is to find the private key

I do not think that you will succeed. As a rule, the system works in such a way that it is impossible to generate the last 8 letters. you could pick up 2 or 3 but not Cool  Sad

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July 20, 2019, 10:42:52 PM
 #20

This is not good at all because I don't think there have ever been a way through which lost private keys can be recovered because they aren't like accounts created with emails that can be recovered or reset by mare clicking a link. No one can help you, instead search for it in all places you can think of.
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