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    Author Topic: Bitcoin puzzle transaction ~32 BTC prize to who solves it  (Read 325081 times)

    • mcdouglasx
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    March 24, 2025, 04:05:29 PM
     #8241
    Quote from: kTimesG on March 24, 2025, 03:52:28 PM
    Quote from: mcdouglasx on March 24, 2025, 03:24:47 PM
    Quote from: kTimesG on March 24, 2025, 11:43:16 AM
    You can find the science-fiction movie on vast.ai, if you actually want more bangs for a buck, no need to empty your wallet on buying an expensive device and etc. I don't even own a desktop computer anymore. The wallet will empty anyway once your home's energy bill comes out.

    Again with your biased opinions, you always assume too much. There are many countries with abundant resources where electricity hovers around $0.05 per kWh, so generalizing and assuming that everyone here is from a country where electricity is a problem is a huge bias, considering there are people from all over the world here.

    That's not what I said. The fact that a GPU computes a magnitude of order more hashes/s than an equivalent amount of CPUs, for the same power consumption on both options, is not a personal opinion, or bias as you call it. The price/kWH is irrelevant for this comparison. It's the same reason why no one mines BTC using a GPU anymore, because ASICs are tons more efficient than a GPU, just like a GPU is tons more efficient than a CPU. No one says you can't mine BTC with a CPU, GPU, or even on a napkin if you're fast enough, though good luck with all of those.

    I talked about this because I've often seen you bringing up electricity costs as an issue, generalizing.

    Quote from: kTimesG on March 24, 2025, 11:43:16 AM
    The wallet will empty anyway once your home's energy bill comes out.

    Regarding the other thing, you're absolutely right.
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  • pbies
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    March 24, 2025, 05:48:38 PM
     #8242
    @nomachine

    For my local 9950X and 16 threads I am getting ~100 Mkeys/s.

    For vast.ai server with AMD EPYC 7642 48-Core 186 threads (up to 192) I am getting 222 Mkeys/s.

    Seems like for greater number of threads it is not working properly.

    I would expect much more keys/s.
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  • nomachine
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    March 24, 2025, 06:41:14 PM
     #8243
    Quote from: pbies on March 24, 2025, 05:48:38 PM
    @nomachine

    For my local 9950X and 16 threads I am getting ~100 Mkeys/s.

    For vast.ai server with AMD EPYC 7642 48-Core 186 threads (up to 192) I am getting 222 Mkeys/s.

    Seems like for greater number of threads it is not working properly.

    I would expect much more keys/s.

    Quote from: nomachine on March 23, 2025, 10:12:43 AM
    I am currently using and testing AVX-256, and it is slower than AVX-512 by half. The AVX-256 workload here can cause the CPU to downclock significantly, which might negate the performance gains from vectorization. The CPU is throttling as a result.

    You should switch to AVX-512 with EPYC.




    Uploaded optimized ripemd160_avx2.cpp (AVX-256) to Git.
    BTC: bc1qdwnxr7s08xwelpjy3cc52rrxg63xsmagv50fa8

  • Akito S. M. Hosana
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    March 24, 2025, 06:59:58 PM
     #8244
    Quote from: nomachine on March 24, 2025, 06:41:14 PM
    Uploaded optimized ripemd160_avx2.cpp (AVX-256) to Git.

    Holy smokes, this is 15% faster than that script from the day before.  Tongue

  • nomachine
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    March 24, 2025, 07:24:57 PM
     #8245
    Quote from: Akito S. M. Hosana on March 24, 2025, 06:59:58 PM
    Quote from: nomachine on March 24, 2025, 06:41:14 PM
    Uploaded optimized ripemd160_avx2.cpp (AVX-256) to Git.

    Holy smokes, this is 15% faster than that script from the day before.  Tongue

    The speed boost ain’t guaranteed. It depends on your rig, compiler tweaks, and other nerdy stuff like CPU mojo and RAM speed. Different machines? Different results. Duh.  Grin
    BTC: bc1qdwnxr7s08xwelpjy3cc52rrxg63xsmagv50fa8

  • pbies
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    March 24, 2025, 07:29:49 PM
     #8246
    Quote from: nomachine on March 24, 2025, 06:41:14 PM
    You should switch to AVX-512 with EPYC.

    Uploaded optimized ripemd160_avx2.cpp (AVX-256) to Git.

    Yes, if this repo would have random mode.

    I see no sense to start at 0x80000000000000000.

    And I would rather give range selection for the program, than manually give raising values to check all in my interest.
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  • GoldTiger69
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    March 25, 2025, 03:22:35 AM
     #8247
    Quote from: nomachine on March 24, 2025, 01:06:35 PM
    Optimized version is there. Good luck.

    https://github.com/NoMachine1/Cyclone

     Grin

    Hi, I think I found a small bug:
    Code:
    ./Cyclone -h 95a156cd21b4a69de969eb6716864f4c8b82a82a -p 40 -t 4 -b 5

    ================= WORK IN PROGRESS =================
    Puzzle/Bits   : 40
    Target Hash160: 95a156cd21b4a69de969eb6716864f4c8b82a82a
    Prefix length : 5 bytes
    Mode          : Sequential
    CPU Threads   : 4
    Mkeys/s       : 23.31
    Total Checked : 166785826816
    Elapsed Time  : 01:59:15
    Range         : 8000000000:ffffffffff
    Progress      : 30.338165 %
    Progress Save : 11
    Stride        : 1
    ================== FOUND MATCH! ====================
    Private Key   : 000000000000000000000000000000000000000000000000000000E9AE4933D7
    Public Key    : 027F9692C97565C48481E19FB95933C3F023D91DEF62394A38FF6B1ACA6E499EB5
    Total Checked : 166891761152
    Elapsed Time  : 01:59:15
    Speed         : 23.3083 Mkeys/s


    This is puzzle #40; the Private Key is off by 1: E9AE4933D6

    It's a great program, thanks for all your hard work, man.
    I can help you to restore/recover your wallet or password.
    https://bt.irlbtc.com/view/1234619.0

  • nomachine
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    March 25, 2025, 05:16:17 AM
     #8248
    Quote from: user_not_here on March 24, 2025, 08:27:23 PM
    win bins?

    i compiled it but got funny fonts...

    Fixed… Simple Code Change (Replaced ∞ with N/A)
    No UTF-8 Issues: Works on every terminal, no fancy encoding needed.
    Clear Meaning: "N/A" is universal—everyone gets "Not Applicable."
    Zero Configuration: Runs everywhere, no fuss:

    Windows
    Linux/macOS terminals
    Remote SSH sessions
    Log files and whatever else you throw at it...

    Sometimes, the dumbest solution is the best.
    Optimization is good—until it adds more problems than it solves.
    Premature optimization? Wasted time.

    "N/A" beats fighting with ∞ any day.
    The End. Grin
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  • AlanJohnson
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    March 25, 2025, 05:25:47 AM
     #8249
    Quote from: GoldTiger69 on March 25, 2025, 03:22:35 AM
    Quote from: nomachine on March 24, 2025, 01:06:35 PM
    Optimized version is there. Good luck.

    https://github.com/NoMachine1/Cyclone

     Grin

    Hi, I think I found a small bug:
    Code:
    ./Cyclone -h 95a156cd21b4a69de969eb6716864f4c8b82a82a -p 40 -t 4 -b 5

    ================= WORK IN PROGRESS =================
    Puzzle/Bits   : 40
    Target Hash160: 95a156cd21b4a69de969eb6716864f4c8b82a82a
    Prefix length : 5 bytes
    Mode          : Sequential
    CPU Threads   : 4
    Mkeys/s       : 23.31
    Total Checked : 166785826816
    Elapsed Time  : 01:59:15
    Range         : 8000000000:ffffffffff
    Progress      : 30.338165 %
    Progress Save : 11
    Stride        : 1
    ================== FOUND MATCH! ====================
    Private Key   : 000000000000000000000000000000000000000000000000000000E9AE4933D7
    Public Key    : 027F9692C97565C48481E19FB95933C3F023D91DEF62394A38FF6B1ACA6E499EB5
    Total Checked : 166891761152
    Elapsed Time  : 01:59:15
    Speed         : 23.3083 Mkeys/s


    This is puzzle #40; the Private Key is off by 1: E9AE4933D6

    It's a great program, thanks for all your hard work, man.



    It's not a bug.


    "Partial Matches: If a partial match is found, the program will display:

        Private Key 🔑
        Public Key 🛁
        Found Hash160 🧨
        Target Hash160 🎯
        Matched Bytes 💥

    Full Match: If a full match is found, the program will display: FULL MATCH! 🚨 PRIVATE KEY FOUND! ✅ Auto-saved to KEYFOUND.txt"

  • Akito S. M. Hosana
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    March 25, 2025, 05:29:01 AM
     #8250
    Quote from: nomachine on March 25, 2025, 05:16:17 AM
    Sometimes, the dumbest solution is the best.
    Optimization is good—until it adds more problems than it solves.
    Premature optimization? Wasted time.

    (You should’ve put this in your signature.)

    I wasn’t happy with the simple approach. I thought:
    "What if I scaled this across 100 AWS instances?"

    So I built:

    A Kubernetes cluster for orchestration
    Redis for distributed job queueing
    S3 for centralized logging
    Lambda for failover handling

    Now the system could process quadrillions of keys per second… but cost $10,000/month to run.  Cry

    P.S. Someone eventually found the key… using a 10-line Python script.  Lips sealed

  • WanderingPhilospher
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    Shooters Shoot...


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    March 25, 2025, 06:05:54 AM
     #8251
    Quote
    It's not a bug.


    "Partial Matches: If a partial match is found, the program will display:

        Private Key 🔑
        Public Key 🛁
        Found Hash160 🧨
        Target Hash160 🎯
        Matched Bytes 💥

    Full Match: If a full match is found, the program will display: FULL MATCH! 🚨 PRIVATE KEY FOUND! ✅ Auto-saved to KEYFOUND.txt"

    If the program is not writing the correct private key to file or screen, it is a bug. The private keys saved are off by 1, just as GoldTiger69 said.

    Am I missing something?? I checked and I get the same result, the private key is off by 1. Not a huge bug, but still a bug.

  • AlanJohnson
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    March 25, 2025, 06:09:24 AM
     #8252
    Quote from: WanderingPhilospher on March 25, 2025, 06:05:54 AM
    Quote
    It's not a bug.


    "Partial Matches: If a partial match is found, the program will display:

        Private Key 🔑
        Public Key 🛁
        Found Hash160 🧨
        Target Hash160 🎯
        Matched Bytes 💥

    Full Match: If a full match is found, the program will display: FULL MATCH! 🚨 PRIVATE KEY FOUND! ✅ Auto-saved to KEYFOUND.txt"

    If the program is not writing the correct private key to file or screen, it is a bug. The private keys saved are off by 1, just as GoldTiger69 said.

    Am I missing something?? I checked and I get the same result, the private key is off by 1. Not a huge bug, but still a bug.

    Wasn't it the case called "partial match" ?

  • nomachine
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    March 25, 2025, 06:14:03 AM
    Last edit: March 25, 2025, 07:06:07 AM by nomachine
     #8253
    Quote from: GoldTiger69 on March 25, 2025, 03:22:35 AM
    This is puzzle #40; the Private Key is off by 1: E9AE4933D6

    You're right.

    It will be fixed soon.


    Fixed:
    Quote
    # ./Cyclone -h 95a156cd21b4a69de969eb6716864f4c8b82a82a -r E9AE4913D7:E9AE4933D7 -t 12 -b 5


    ================== FOUND MATCH! ====================
    Private Key   : 000000000000000000000000000000000000000000000000000000E9AE4933D6
    Public Key    : 03A2EFA402FD5268400C77C20E574BA86409EDEDEE7C4020E4B9F0EDBEE53DE0D4
    Total Checked : 12288
    Elapsed Time  : 00:00:00
    Speed         : 0.293515 Mkeys/s


    # ./Cyclone -h bfebb73562d4541b32a02ba664d140b5a574792f -p 26 -b 8 -S -t 12

    ================== FOUND MATCH! ====================
    Private Key   : 000000000000000000000000000000000000000000000000000000000340326E
    Public Key    : 024E4F50A2A3ECCDB368988AE37CD4B611697B26B29696E42E06D71368B4F3840F
    Total Checked : 16718848
    Elapsed Time  : 00:00:00
    Speed         : 3.0181 Mkeys/s
    BTC: bc1qdwnxr7s08xwelpjy3cc52rrxg63xsmagv50fa8

  • Akito S. M. Hosana
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    March 25, 2025, 07:16:14 AM
     #8254
    Quote from: nomachine on March 25, 2025, 06:14:03 AM
    Fixed:

    There’s no end to this. I can’t keep up anymore. Don’t change anything else for now. It’s finally giving accurate results. Sorry for the trouble; it’s all my fault.  Cry

  • nomachine
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    March 25, 2025, 08:02:10 AM
    Last edit: March 25, 2025, 08:31:47 AM by nomachine
     #8255
    Quote from: Akito S. M. Hosana on March 25, 2025, 07:16:14 AM
    Quote from: nomachine on March 25, 2025, 06:14:03 AM
    Fixed:

    There’s no end to this. I can’t keep up anymore. Don’t change anything else for now. It’s finally giving accurate results. Sorry for the trouble; it’s all my fault.  Cry

    Don’t worry. One of my jobs was in tech support. Three shifts, 24/7, dealing with the same nonsense. After six years and exactly two days, my brain burned out. Since then, every other job has been honey and milk compared to working in that mine.  Grin


    Quote from: Akito S. M. Hosana on March 25, 2025, 05:29:01 AM
    Someone eventually found the key… using a 10-line Python script.  Lips sealed

    Ain’t no way that 10-line Python script brute-forced a 68-bit puzzle. That’s like tryna crack a bank vault with a wet noodle. Either that script’s got cheat codes or somebody’s fibbin’ harder than a politician on election day.
    BTC: bc1qdwnxr7s08xwelpjy3cc52rrxg63xsmagv50fa8

  • zahid888
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    March 25, 2025, 08:27:36 AM
     #8256
    Quote from: zahid888 on March 19, 2025, 10:08:11 PM


    https://github.com/futuremoneybtc/PuzzleFinder

    Fully enhanced with zero bugs.. benchmarks ??
    1BGvwggxfCaHGykKrVXX7fk8GYaLQpeixA

  • Ovixx
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    March 25, 2025, 08:46:37 AM
    Last edit: March 25, 2025, 09:11:41 AM by Ovixx
     #8257
    Quote
    https://github.com/futuremoneybtc/PuzzleFinder

    Fully enhanced with zero bugs.. benchmarks ??

    Thank you and I appreciate it!
    but I get the following error:
    https://imgur.com/a/rVnEXqC
    .....and four more DLLs that I don't have. What are the necessary prerequisites?

  • Akito S. M. Hosana
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    March 25, 2025, 08:54:06 AM
     #8258
    Quote from: zahid888 on March 25, 2025, 08:27:36 AM

    https://github.com/futuremoneybtc/PuzzleFinder

    Fully enhanced with zero bugs.. benchmarks ??


    It doesn't work.

    Quote
    >.\PuzzleFinder.exe  -sbl 19 -ebl 20 -p 4 -t 1 -i .\addresses.txt
    >

    > .\PuzzleFinder.exe
    All options -t, -i, -sbl, -ebl, and -p are required!
      -t   <threads>          : Number of CPU threads (1 to max available)
      -i   <input_file.txt>   : Path to file of Base58 Bitcoin addresses
      -sbl <start_bit_length> : Starting bit length (e.g., 67)
      -ebl <end_bit_length>   : Ending bit length (e.g., 160)
      -p   <prefix_length>    : Length of prefix to match (1-20)


    >.\PuzzleFinder.exe  -sbl 40 -ebl 41 -p 4 -t 1 -i .\addresses.txt
    >

    I get a blank line after the command. No error, Windows 11.

  • nomachine
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    March 25, 2025, 09:30:16 AM
    Last edit: March 25, 2025, 09:41:05 AM by nomachine
     #8259
    Quote from: Akito S. M. Hosana on March 25, 2025, 08:54:06 AM
    It doesn't work.

    I get a blank line after the command. No error, Windows 11.

    If the app was compiled with dynamic linking (using DLLs), the target PC might be missing required runtime libraries. (e.g., MSVCR140.dll for Visual Studio or libstdc++-6.dll for MinGW).

    Check Dependencies (Run in Command Prompt):
    Code:
    dumpbindependents PuzzleFinder.exe

    If you see:

    libgcc_s_seh-1.dll, libstdc++-6.dll, libwinpthread-1.dll → Static linking failed.
    MSVCR140.dll, VCRUNTIME140.dll → Visual Studio runtime is dynamically linked.

    For MinGW (g++)  , recompile with static linking -static to embed all dependencies.
    (Without any nasty viruses, if possible. Grin)

    I have a Makefile which does it automatically so there is no confusion. I personally hate sharing exe files.
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    March 25, 2025, 10:01:17 AM
     #8260
    Quote from: nomachine on March 25, 2025, 09:30:16 AM

    Check Dependencies (Run in Command Prompt):
    Code:
    dumpbindependents PuzzleFinder.exe

    (Without any nasty viruses, if possible. Grin)

    I personally hate sharing exe files.


    Quote
    > dumpbindependents PuzzleFinder.exe
    Microsoft (R) COFF/PE Dumper Version 14.42.34438.0
    Copyright (C) Microsoft Corporation.  All rights reserved.


    Dump of file PuzzleFinder.exe

    File Type: EXECUTABLE IMAGE

      Image has the following dependencies:

        libgcc_s_seh-1.dll
        libgomp-1.dll
        libstdc++-6.dll
        KERNEL32.dll
        api-ms-win-crt-convert-l1-1-0.dll
        api-ms-win-crt-environment-l1-1-0.dll
        api-ms-win-crt-filesystem-l1-1-0.dll
        api-ms-win-crt-heap-l1-1-0.dll
        api-ms-win-crt-locale-l1-1-0.dll
        api-ms-win-crt-math-l1-1-0.dll
        api-ms-win-crt-private-l1-1-0.dll
        api-ms-win-crt-runtime-l1-1-0.dll
        api-ms-win-crt-stdio-l1-1-0.dll
        api-ms-win-crt-string-l1-1-0.dll
        api-ms-win-crt-time-l1-1-0.dll
        libwinpthread-1.dll


    Why do you hate exe files - you think someone will intentionally insert something into them?  Tongue
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