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Topic: Private key of BTC wallet (Read 603 times)

hero member
Activity: 714
Merit: 1010
Crypto Swap Exchange
July 30, 2023, 02:02:15 PM
#30
OP, forget about the 1.09BTC since you only have 9 words.

The OP states that only the first 9 symbols of the private key are visible. I read this as the first 9 characters of usually a private key in WIF format on a faded paperwallet. Be it aged or fabricated, well that's unknown.

Now that I think of it, I find it strange that no QR code or traces of it is visible. It it quite common for paperwallets to include a QR code for quick and convenient read-out of public address or private key of a paperwallet. Nobody wants and should have to copy a WIF key by retyping it by hand, that's absurd.

How is the amount known of the public address which corresponds to the only partially visible private key? Well, it could be written on the readable part of the paperwallet. The OP just mentions it without further details and AFAIR none were further asked in the thread as it turns out it would be basically impossible to brute-force it.

Glimpsing again over the thread, I've a feeling that there's still some lack of details, but chances are very very slim. You would need more details like the public address, hopefully an exposed public key in the blockchain, be lucky with some more outgoing transactions that the corresponding public address was involved in.

I'd still say from gutt feeling: it's a lost case.
hero member
Activity: 658
Merit: 562
July 30, 2023, 12:18:13 PM
#29
OP, forget about the 1.09BTC since you only have 9 words. It is better that your friend should let go of trying the find the others because it is a mission impossible. If you can use the link @Lucius gave and ask the company if such is possible,but if no then nothing can be done,since you said that you have even tried using a microscope. As for me I think that the probability of getting the missing characters of your private key is zero.
legendary
Activity: 2618
Merit: 6452
Self-proclaimed Genius
July 30, 2023, 12:39:12 AM
#28
Sir, I want to ask about your software using CPU or GPU when used? Please your answer.  Smiley
As of now, it doesn't have GPU support but it's in the roadmap.

You can follow his tool's development in its GitHub repository, here: https://github.com/Coding-Enthusiast/FinderOuter
And here's the Roadmap which is aiming for GPU support in version 2.0: https://github.com/Coding-Enthusiast/FinderOuter/issues/47
Current release version is 0.18.0
hero member
Activity: 2282
Merit: 589
July 11, 2023, 03:56:25 PM
#27
we are not talking about how much BTC are in address, but how many transactions are out. then we can talk. If you do not understand -> do not issue "post"
What do you mean by "but how many transactions are out"? Are you talking about inputs and outputs on the address, nevertheless it has no connection with op's problems, neither can it help them find the missing characters of their private key. If i may ask, how do you intend to use what you are requesting to get the missing characters?
Any information from transaction amount history to even public address didn't help finding the missing characters, but I'm sure he would have wanted to ask 9 characters from the OP to try his luck accessing the wallet, but that wouldn't work. I doubt the wallet owning 1 BTC doesn't have the security to keep private keys safe and he just writes on paper, he doesn't backup private keys or prints private keys on paper paper has been laminated or writes private keys on metal objects. Any attempt would not succeed unless he saw the clues of some of the characters on the paper using the help of props.
copper member
Activity: 1330
Merit: 899
🖤😏
July 11, 2023, 08:38:25 AM
#26
we are not talking about how much BTC are in address, but how many transactions are out. then we can talk. If you do not understand -> do not issue "post"
What do you mean by "but how many transactions are out"? Are you talking about inputs and outputs on the address, nevertheless it has no connection with op's problems, neither can it help them find the missing characters of their private key. If i may ask, how do you intend to use what you are requesting to get the missing characters?
Obviously he wants to check if the public key is known, if you have the public key and a few chars of private key, it can greatly help you finding the private key, but success is not guaranteed.
legendary
Activity: 994
Merit: 1089
July 09, 2023, 04:03:16 PM
#25
we are not talking about how much BTC are in address, but how many transactions are out. then we can talk. If you do not understand -> do not issue "post"
What do you mean by "but how many transactions are out"? Are you talking about inputs and outputs on the address, nevertheless it has no connection with op's problems, neither can it help them find the missing characters of their private key. If i may ask, how do you intend to use what you are requesting to get the missing characters?
member
Activity: 77
Merit: 19
July 09, 2023, 01:51:41 PM
#24
we are not talking about how much BTC are in address, but how many transactions are out. then we can talk. If you do not understand -> do not issue "post"
legendary
Activity: 2380
Merit: 5213
July 09, 2023, 01:38:23 PM
#23
maybe I can help him or maybe not. and it is not lure. really I do not understand:)
No one will be able to help OP find the private key and Cricktor is completely right. OP posting his/her BTC address will be also useless.
No offence but, does it make any difference how much bitcoin OP has? Does it matter whether OP has 1 mBTC or 100 BTC? How can knowing OP's BTC be helpful? Does OP's bitcoin address give us any information about its private key?
member
Activity: 77
Merit: 19
July 09, 2023, 10:49:52 AM
#22


Bullshit and you should know it better! What you're claiming is simply dishonest.

As OP stated in his post only the first 9 characters are visible. Without the encoded checksum at the end you have no way to limit your vast search space. as nine chars at the beginning aren't such a big limitter. Nice try to lure the OP to reveal details he shouldn't.


I do not understand. firstly - I'm asked about bitcoin address -> not for "part" of bitcoin privatekey:).

maybe I can help him or maybe not. and it is not lure. really I do not understand:)
hero member
Activity: 714
Merit: 1010
Crypto Swap Exchange
July 09, 2023, 09:16:17 AM
#21


Bullshit and you should know it better! What you're claiming is simply dishonest.

As OP stated in his post only the first 9 characters are visible. Without the encoded checksum at the end you have no way to limit your vast search space. as nine chars at the beginning aren't such a big limitter. Nice try to lure the OP to reveal details he shouldn't.
member
Activity: 77
Merit: 19
July 09, 2023, 08:16:52 AM
#20
If you have 9 characters only -> we can make a lot.

publish the address first then we can talk. I can help
legendary
Activity: 952
Merit: 1386
July 07, 2023, 04:06:50 AM
#19
If you have 9 characters only, we may say it is undoable.
 If it was a paper wallet, chances could be increased by (even partial) QR code etc, but knowing only 1/5 of the private key makes problem unsolvable.
legendary
Activity: 2618
Merit: 6452
Self-proclaimed Genius
July 06, 2023, 01:55:18 AM
#18
-snip-
Okay, so that how it works.
Honestly, the GUI for the "limit search space" is hard to navigate and understand compared to using commands.

Although it can't be used by OP due to his recent reply,
I'd keep a bookmark of this in case I need to recommend your tool to other users with the same problems.
legendary
Activity: 1042
Merit: 2805
Bitcoin and C♯ Enthusiast
July 06, 2023, 01:29:10 AM
#17
The issue is, I don't know any private key bruteforcing tool that does that so you might have to search for one yourself of find someone to code it for you.
The feature to limit search space when recovering Base58 inputs was added to FinderOuter in version 0.15.0.
That's great news for OP.
However, I can't seem to find an option limit the search space of each specific position; the feature seem to affect all of the MissingChar symbol.
Sorry for the late reply.
When you want to modify the search space you have to set the whole space for each missing position but it is easy to set the other positions to "All" by only pressing a button and only limit what you want by manually adding characters or removing the extra ones.

For example lets say we want to recover these two missing characters in "L53fCHmQhbNp1B4JipfBtfeHZH7cAibzG9oK*9Xf*FzxHgAkz6JK" and you know the first one looks like "1" but you have no idea what the second one is. After clicking "Start" (to process the key and initiate the arrays) you enter "1" in the textbox and press "Similar letter" button so the list can be populated with "1" and "L", then you can continue modifying this list by adding or removing characters if you don't like the suggestions.
Then you move to the next position by pressing the ">" button and repeat the same thing. Here you simply click the "Add all" button to populate the list with all 58 characters.
When you are done setting the search space you finally click Find.

sr. member
Activity: 630
Merit: 277
July 05, 2023, 03:45:54 PM
#16
Take a picture from only the half of the paper and post it here, no one can help you based on speculations, we need to see what you are up against.

I said we, not that I am an expert or anything, figure speech.

Sorry, but for security reasons I will not post any images. I have tried a mini microscope, increasing resolution, sharpness, and all the other stuff and I can't see anything. I know for sure that this is a WIF prvkey with 51 symbols as it starts with 5.


It is all your choice, if actually you tried mini microscope and you could not discover anything, what other privacy issues are we talking about in an issue that cannot be viewed. Even if it could be readable, the pixels will reduce when captured with a camera.

Meanwhile, many people here think it's a seed phrase not knowing it's a long string of alphabets and numbers.
legendary
Activity: 2618
Merit: 6452
Self-proclaimed Genius
July 04, 2023, 08:46:19 AM
#15
The issue is, I don't know any private key bruteforcing tool that does that so you might have to search for one yourself of find someone to code it for you.
The feature to limit search space when recovering Base58 inputs was added to FinderOuter in version 0.15.0.
Could you please tell me more about it? I am not a computer geek.
Coding Enthusiast's reply is based from my suggestion to limit the search space of each position;
however, given your reply above that you can't see anything, my suggestion won't be feasible anymore.

Moreover, the current version of finder-outer do not have that specific option as you can see in my reply to that post (#13).
full member
Activity: 187
Merit: 100
July 04, 2023, 08:21:09 AM
#14
Take a picture from only the half of the paper and post it here, no one can help you based on speculations, we need to see what you are up against.

I said we, not that I am an expert or anything, figure speech.

Sorry, but for security reasons I will not post any images. I have tried a mini microscope, increasing resolution, sharpness, and all the other stuff and I can't see anything. I know for sure that this is a WIF prvkey with 51 symbols as it starts with 5.



The issue is, I don't know any private key bruteforcing tool that does that so you might have to search for one yourself of find someone to code it for you.
The feature to limit search space when recovering Base58 inputs was added to FinderOuter in version 0.15.0.

Could you please tell me more about it? I am not a computer geek.

Mod note: consecutive posts merged
legendary
Activity: 3234
Merit: 5637
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July 02, 2023, 09:49:00 AM
#13
If OP fails in any of the proposed ways to get the private key, there are also companies that deal with it professionally, and as far as I have seen, they achieve very good results even with documents that are quite damaged or the ink has faded to make it look to the human eye that there is almost nothing on paper.

Of course, such a procedure has a price, but considering that it is 1.09 BTC which today is worth $33k+, here we are talking about something that can easily be worth five times more in the next few years.
hero member
Activity: 714
Merit: 1010
Crypto Swap Exchange
July 01, 2023, 08:01:09 AM
#12
The thing is that it is old-washed paper and I can read only the first 9 symbols of this string.
You'll need to find a way to read the other characters. Try bright light, adjust the contrast on pictures, or get a microscope to look for damaged paper fibers. Okay, I admit, I made up that last one, I have no idea if that's possible, but it's more likely than brute-forcing the private key.

It's actually what I would try to do: use a microscope and inspect the washed out area very carefully. You don't need a lot of magnification, the ability to look at different angles on the inspection area is sometimes more important that magnification. What kind of forces did the writing tip excert to the paper, are traces of that still visible on the paper fibers. That's a reasonable approach in my opinion.

In the end it comes down to what treatment of the paper caused the wash-out. Was it unstable colors, sunlight exposure? Did some sort of friction on the paper make any color deposit be rubbed away?

Trying to get as much of details off the paper is still a better route than trying to bruteforce into the unknown.
legendary
Activity: 2618
Merit: 6452
Self-proclaimed Genius
June 30, 2023, 12:43:34 AM
#11
The issue is, I don't know any private key bruteforcing tool that does that so you might have to search for one yourself of find someone to code it for you.
The feature to limit search space when recovering Base58 inputs was added to FinderOuter in version 0.15.0.
That's great news for OP.
However, I can't seem to find an option limit the search space of each specific position; the feature seem to affect all of the MissingChar symbol.
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