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1  Economy / Games and rounds / Re: Find the WIF challenge on: January 27, 2025, 12:47:39 PM
Am I the only one who thinks that the symbols of the key "...5b" in the photo are drawn? Are these not the original symbols?
2  Bitcoin / Bitcoin Technical Support / Re: Damaged paper wallets with balance of 43 BTC and 5 BTC. Pre-New Year adventures. on: January 22, 2025, 01:04:35 PM
<snip>
I wrote before. I'm not going to prove anything to you. I don't sell my symbols. Leave me alone.
So just lock the topic... You created it and you can lock it.
Tell me how to do this? Thanks.
3  Other / Beginners & Help / Re: Compute Missing Characters in Private Key on: January 07, 2025, 06:49:14 PM
Please advise. Does the "Pollard's Kangaroo" method search for keys faster than the "Baby Step Giant Step (BSGS)" algorithm? Or do these methods have the same search speed?
Question, do you know the public key?

If not: refer to my previous reply.
If yes, go for Kangaroo, here's a famous implementation: https://github.com/JeanLucPons/Kangaroo
Here's a sample usage: https://bitcointalk.org/index.php?topic=5520878.msg64805542#msg64805542 (65bit)

For the "start rage" and "end range", fill up the missing characters with placehodlers of "1" and another with "z",
Decode each from BASE58 to HEX (should start with 80, else something is wrong), then remove the last 4 checksum Bytes at the end and the 1 network Byte (0x80) at front.
Compare where the results match, it should be your "known characters".
With that fill up the rest with 0x00 up to 32Bytes to complete the "start range" and 0xFF for the "end range".
("hacky" but simple method)

example:
  • Let's say that your incomplete uncompressed WIF private key is: 5JtMpyujE8M6PKpAY6ez8sn7VtkQpm
  • Fill up the remaining 21 characters with 1 and z, like this: 5JtMpyujE8M6PKpAY6ez8sn7VtkQpm111111111111111111111 & 5JtMpyujE8M6PKpAY6ez8sn7VtkQpmzzzzzzzzzzzzzzzzzzzzz
  • Base58 Decode the above:
    808cf1e0851a2f0676799d32d9bee6c5f4f9fe8f3b628f305869b80c873e9d4a85c7c00000
    808cf1e0851a2f0676799d32d9bee6c5f4f9fe8f3b6aa853d7a24eff7a4a557d54055fffff
  • Remove the checksum and network bytes:
    8cf1e0851a2f0676799d32d9bee6c5f4f9fe8f3b628f305869b80c873e9d4a85
    8cf1e0851a2f0676799d32d9bee6c5f4f9fe8f3b6aa853d7a24eff7a4a557d54
  • Check where the two match: 8cf1e0851a2f0676799d32d9bee6c5f4f9fe8f3b6
  • Lastly, use it as start and end range by filling up the placeholder bytes with 0 and F:
    8cf1e0851a2f0676799d32d9bee6c5f4f9fe8f3b600000000000000000000000
    8cf1e0851a2f0676799d32d9bee6c5f4f9fe8f3b6fffffffffffffffffffffff

Use than in your "inFile" together with your uncompressed public key.
That example averages to 20days on a 5 year-old Desktop CPU.

thank you very much friend)))))
4  Bitcoin / Bitcoin Technical Support / Re: Damaged paper wallets with balance of 43 BTC and 5 BTC. Pre-New Year adventures. on: January 07, 2025, 06:46:31 PM
....
I do not want to look for the key for 2 years.
.....

I am heartily glad that I was able to regain access to the first wallet Smiley
And about the second... Maybe 2 years is the period that will preserve and multiply for you the value of this stock !? ? Maybe it's for the best - in 2 years, maybe the value of bitcoin will be 1 million dollars ! Smiley

I can see that the wallet suddenly became active. If you can provide evidence that this belongs to OP and the whole story is true I will change my feedback and apologize publicly.
It is always good to be a skeptic.

A signed message from the new/old wallet will do.

It is quite odd though why would OP will create a topic on 4/01/2025 when the wallet already regained on 28/12/2024, 06:17:23?


I wrote before. I'm not going to prove anything to you. I don't sell my symbols. Leave me alone.
5  Other / Beginners & Help / Re: GPU WIF recovery program on: January 06, 2025, 08:45:31 PM
Please advise. Does the "Pollard's Kangaroo" method search for keys faster than the "Baby Step Giant Step (BSGS)" algorithm? Or do these methods have the same search speed?

It seems the tools you are using or looking for look like just a type of solver? Do you already have a few tools that you think you can use for recovering missing characters?

I only know one tool that can recover missing characters on WIF keys. The only problem is that it still does not support GPUs.
It is called the FinderOuter tool; if you are interested, you can find it here: https://bitcointalk.org/index.php?topic=5214021.0

I search a bit but I do not know if these could help to find missing characters, but it uses to brute force WIF keys check the two tool called Bitcrack and Keyhunt-CUDA. They both support GPUs but CUDA only.
The Keyhunt Cuda uses BSGS, but for Bitcrack, I do not know if it uses BSGS or Pollard.
Thanks for the answer.
From what I managed to understand, the WIF key search has a very low speed.
Having a public key, it is much faster to search by HEX. I checked the speed of keyhunt BSGS, it will take a long time to search. 2 years.
I could not figure out the "Pollard's Kangaroo" method. Maybe it is faster? Is there any point in figuring this out? If it works slower than BSGS, then the topic can be closed.
6  Other / Beginners & Help / Re: GPU WIF recovery program on: January 06, 2025, 07:21:36 PM
Please advise. Does the "Pollard's Kangaroo" method search for keys faster than the "Baby Step Giant Step (BSGS)" algorithm? Or do these methods have the same search speed?
7  Bitcoin / Bitcoin Technical Support / Re: Damaged paper wallets with balance of 43 BTC and 5 BTC. Pre-New Year adventures. on: January 06, 2025, 06:53:54 PM
If it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck. Grin
You could have asked for the probable solution without revealing the public addresses/amount of Bitcoin. But you made sure that your target audience do not miss Grin.
And when you mentioned that you are willing to sell one of those addresses/imaginary leftover  characters of private key, I have no doubt that you are a scammer.

Why are you attacking me?
Because I can see a scam brewing. Grin
Just before the New Year, my child inserted a sheet of paper with a paper wallet from my desk into the shredder.
Why will someone loosely place a paper (worth millions) for 12 years on the work table so that his child can just pick it up and put it in the shredder Grin. I do not know what is imaginary; paper wallet, shredder, or the child itself Grin.
Maybe your entire story. Grin  Grin

Now I just asked for advice on how Kangaroo and BSGS work. What is their speed under the same conditions.
Do you think somehow this will help you in cooking your story Grin like you registered a new account just to support your scam Grin. After all, you are quite good at generating fake accounts. It might be good idea to tag someone who exposed you in the past @lovesmayfamilis


I might be wrong about the new account registration by OP but I have no doubt about all other facts. (I mean 99% is quite good when dealing with potential scam attempt).


 

You must have gotten bored at Christmas? Decided to quarrel with someone? Good luck. I'm not going to quarrel with you.
I haven't had a paper wallet on my desk for 12 years. What nonsense. I was looking through the documents at the end of the year and got it out.
And I didn't create a new account. You're a liar. I know the forum rules that second accounts can't be created.
Your arguments made me laugh. The old story with the photos at the ICO))))) I explained everything then. In Russia, cryptocurrency is prohibited as a means of payment. We got out of it as best we could. All normal people understood me.
Admins, I ask you to delete the phrase about selling the wallet from my first message in the topic. And close this topic for new messages. Someone might need this topic in the future to restore the key. I don't want to listen to dirt addressed to me. Thank you.



I was able to delete the phrase about selling the wallet myself.

[moderator's note: consecutive posts merged]
8  Bitcoin / Bitcoin Technical Support / Re: Damaged paper wallets with balance of 43 BTC and 5 BTC. Pre-New Year adventures. on: January 06, 2025, 05:19:03 PM
If it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck. Grin
You could have asked for the probable solution without revealing the public addresses/amount of Bitcoin. But you made sure that your target audience do not miss Grin.
And when you mentioned that you are willing to sell one of those addresses/imaginary leftover  characters of private key, I have no doubt that you are a scammer.

Why are you attacking me? I'm not going to prove that the paper wallet is real. I already wrote that I'm keeping the key for myself. Someday I'll find the key myself. Go look for scammers in other forum threads. I described in detail how I looked for the key to help others with my experience.
Now I just asked for advice on how Kangaroo and BSGS work. What is their speed under the same conditions.
9  Bitcoin / Bitcoin Technical Support / Re: Damaged paper wallets with balance of 43 BTC and 5 BTC. Pre-New Year adventures. on: January 06, 2025, 04:12:55 PM
Please advise. Does the "Pollard's Kangaroo" method search for keys faster than the "Baby Step Giant Step (BSGS)" algorithm? Or do these methods have the same search speed?
10  Bitcoin / Bitcoin Technical Support / Re: Damaged paper wallets with balance of 43 BTC and 5 BTC. Pre-New Year adventures. on: January 05, 2025, 11:57:17 AM
I believe that WIF private keys have a checksum at the end, since it's encoded in Base58Check. So you may not have that many characters that you need to recover, that's the good news.

The bad news is that I don't know of any software that can help you find missing characters at the end. Have you tried running BTCrecover under WINE runtime?
Yes. But it only restores the seed phrase.
11  Bitcoin / Bitcoin Technical Support / Re: Damaged paper wallets with balance of 43 BTC and 5 BTC. Pre-New Year adventures. on: January 05, 2025, 11:26:26 AM
my child inserted a sheet of paper with a paper wallet from my desk into the shredder. The shredder was plugged in and started shredding the sheet. I managed to pull it out,
Checked Schroeder, empty, probably threw garbage before the New Year.
Do you always always throw away everything that can help you restore your Bitcoin after a disaster happened?
I've never had such disasters before)))))
It wasn't me who threw out the trash from the shredder, but my wife. Unfortunately.
12  Bitcoin / Bitcoin Technical Support / Re: Damaged paper wallets with balance of 43 BTC and 5 BTC. Pre-New Year adventures. on: January 05, 2025, 10:38:26 AM
Undoubtedly, this is a sad incident but it is normal for investors who unwisely write down the password/security of Bitcoin holdings in paper wallets. However, this could be seen as an important sign in the new year as investors who have not been aware of their bitcoins until now may become aware of this phenomenon. But in my case I keep my holdings of bitcoins in a paper wallet as well as in an important place so that my wallet phase is not lost forever due to water or weather.
A paper wallet is the safest storage, I think.
only the wallet needs to be created on a computer without the Internet. I have seen many complaints that coins were stolen from wallets created using the BitAdress website. Maybe their website is hacked. I don't know for sure.
13  Bitcoin / Bitcoin Technical Support / Re: Damaged paper wallets with balance of 43 BTC and 5 BTC. Pre-New Year adventures. on: January 05, 2025, 08:08:02 AM
Why haven't you used these coins for more than 10 years? There was a temptation, right?
I had more than one paper wallet.
14  Bitcoin / Bitcoin Technical Support / Re: Damaged paper wallets with balance of 43 BTC and 5 BTC. Pre-New Year adventures. on: January 04, 2025, 12:04:18 PM

Also, even though it's going to be a tedious process, can't you find the shredded pieces and attempt to figure out the missing digits? It'll take some time but perhaps you'll figure it out. Since you've already recovered the second wallet, you can rule out any letters or numbers from the shredded pieces, you certainly won't figure out the entire private key, but you'll perhaps find a few more digits that'll assist you into bruteforcing and finding the rest, just like you did previously.


Checked Schroeder, empty, probably threw garbage before the New Year.



Nice story. However, especially seeing OP trust rating, I don't trust it.
It can easily be only a cover story to sell some worthless string of characters for big money.

OP, just for the sake of it, can you at least sign from 1GkL2vdtkStT5Wa4YG1pN3f9w2P6WJQyqJ a message containing a date from this year? It could give a tad of credibility to all this.

I have no goal to sell this key. I will leave these 31 symbol of the key to myself. I just shared history.
I do not know how to sign a message in Bitcoin. I no longer have the lower two keys. I took off the coins, cut the sheet and threw out unnecessary keys so as not to get confused.



[moderator's note: consecutive posts merged]
15  Bitcoin / Bitcoin Technical Support / Damaged paper wallets with balance of 43 BTC and 5 BTC. Pre-New Year adventures. on: January 04, 2025, 10:06:41 AM
Just before the New Year, my child inserted a sheet of paper with a paper wallet from my desk into the shredder. The shredder was plugged in and started shredding the sheet. I managed to pull it out, but some of the private key symbols were destroyed. In my paper wallet, I have 2 addresses with a balance:
1GkL2vdtkStT5Wa4YG1pN3f9w2P6WJQyqJ balance 43.8 BTC (41 WIF symbols survived)
1PkM3Hgw7xDrBeGWhs2zdNXSmam2BikAKX balance 5.5 BTC (31 WIF symbols survived)



There was less than a week left until the New Year and I started studying GPU software for recovering unknown characters at the end of a private key.
I decided to start with the address 1GkL2vdtkStT5Wa4YG1pN3f9w2P6WJQyqJ, where 41 characters are known.
WifSolverCuda could not solve the problem. It only recovers characters in the middle and beginning of a private key.
FinderOuter refused to start on my computer, there is only Linux (I have Windows).
BTCRecover seems to be able to recover WIF, but I could not figure out how to do it.
BITCOIN-WIF-Recovery can solve this problem, but the search time was very long.

I realized that I need to search through HEX keys.
Knowing the first 41 characters of the key, I calculated the WIF ranges
5J*9611114bdqKK
5J*9711115thGTG
The WIF keys are in sequential order relative to the private keys. I was able to determine the HEX ranges.
188****249bceb92
188****24fb771b7
With the help of keyhunt I was able to determine the private key in a minute. And a few days before the new year I successfully got access to the coins))))))



On the second wallet 1PkM3Hgw7xDrBeGWhs2zdNXSmam2BikAKX the situation is more complicated, but I had outgoing transactions from this address. I decided to use the algorithm "Baby Step Giant Step (BSGS)"
Knowing the first 31 characters of the key, I calculated the WIF ranges and HEX ranges.
5K***wh111111111111112n4ctq
5K***wi111111111111113ZdYQK
b67****fe3eb1fcb518100e5daa7cc30
b67****fe40ede330771f36e75571c83
Total 43211566443142029589303379 HEX key variants.

Unfortunately, I was not able to quickly restore the key. I have a very powerful computer, but with my speed of 506 Pkeys/s (506359533900084483 keys/s) the required time for selection is more than 2 years.



I have studied all the best programs for brute-forcing a private key, and BSGS is the fastest algorithm at the moment. I do not want to look for the key for 2 years. I decided to postpone the search for the key until programs with greater performance than now appear. Perhaps quantum computers will be able to do this in a few seconds in a couple of years.
By that time, Bitcoin will be worth much more. So I will only benefit from waiting.

I hope my experience in recovering keys will help someone recover damaged keys.

Happy New Year and Merry Christmas to all!!!!
16  Other / Beginners & Help / GPU WIF recovery program on: December 30, 2024, 12:18:22 PM
Hello. Please tell me which GPU program is the most effective for recovering WIF format 5....
The kids ruined a paper wallet. I recovered one key a few days ago. Another one is still not recovered. More than 30 characters of the WIF key are known. The end of the private key is unknown.
17  Bitcoin / Development & Technical Discussion / Re: R,S,Z , K nonce and public key Signature samples on: October 09, 2024, 06:52:04 AM
I have been learning about ECDSA ( r s z, public key ,private key ) for about 2 months

# 130 Although only one rsz  is  know , but 1000 rsz can be produced using the public key,  the nonce K value will be 240~256 bits


would you mind sharing your code on how you leak the RSZ and how you create more sample for the given public key. thank you

Friend, give me a code that allows you to create 1000 rsz using a public key.
18  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][NCH] Crypto Holding NEURONET [Pre-ICO] on: December 14, 2021, 04:24:11 PM
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20  Economy / Scam Accusations / Re: NEURONET [Pre-ICO] --Fake team on: November 05, 2021, 09:36:45 AM
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