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    Author Topic: Bitcoin puzzle transaction ~32 BTC prize to who solves it  (Read 323449 times)

    • JDScreesh
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    July 08, 2019, 05:00:04 AM
     #1081
    And now, the #100 is spent!!  Shocked Shocked

    Congratulations to the solver (or solvers  Grin)

    We hope the share of the found keys for our records.  Wink
    BTC
    bc1q9v9s9jtunr58pykwx77dpwzdupmfdn0x8jyt06
    145u2ppTJhkXq11xnbBM5JgkQdgV9o1V42

    LTC
    LaAHGMjisi2NFMfHJpMywKm8ALzmivdRaq

  • pikachunakapika
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    July 08, 2019, 05:01:34 AM
     #1082
    #80: 0xea1a5c66dcc11b5ad180
    #85: 0x11720c4f018d51b8cebba8
    #90: 0x2ce00bb2136a445c71e85bf
    #95: It wasn't me
    #100: Also not me

  • AndreuSmetanin
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    July 08, 2019, 07:27:37 AM
     #1083
    Quote from: JDScreesh on July 08, 2019, 05:00:04 AM
    And now, the #100 is spent!!  Shocked Shocked

    Congratulations to the solver (or solvers  Grin)

    We hope the share of the found keys for our records.  Wink
    I join in congratulations!!!Unless it's the Creator himself spending those addresses!
    How quickly you can empty it,I did not have time to buy a Google for this. Roll Eyes Roll Eyes Roll Eyes

  • supika
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    July 08, 2019, 08:49:54 AM
     #1084
    Quote from: pikachunakapika on July 08, 2019, 05:01:34 AM
    #80: 0xea1a5c66dcc11b5ad180
    #85: 0x11720c4f018d51b8cebba8
    #90: 0x2ce00bb2136a445c71e85bf
    #95: It wasn't me
    #100: Also not me

    Nice. What software/script and what hardware did you used? What are the costs? Thanks!

  • pikachunakapika
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    July 08, 2019, 12:31:24 PM
     #1085
    Quote from: supika on July 08, 2019, 08:49:54 AM
    Quote from: pikachunakapika on July 08, 2019, 05:01:34 AM
    #80: 0xea1a5c66dcc11b5ad180
    #85: 0x11720c4f018d51b8cebba8
    #90: 0x2ce00bb2136a445c71e85bf
    #95: It wasn't me
    #100: Also not me

    Nice. What software/script and what hardware did you used? What are the costs? Thanks!

    Pollard kangaroo on gpu. No costs.

  • AndreuSmetanin
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    July 08, 2019, 12:55:35 PM
     #1086
    Quote from: pikachunakapika on July 08, 2019, 12:31:24 PM
    Quote from: supika on July 08, 2019, 08:49:54 AM
    Quote from: pikachunakapika on July 08, 2019, 05:01:34 AM
    #80: 0xea1a5c66dcc11b5ad180
    #85: 0x11720c4f018d51b8cebba8
    #90: 0x2ce00bb2136a445c71e85bf
    #95: It wasn't me
    #100: Also not me

    Nice. What software/script and what hardware did you used? What are the costs? Thanks!

    Pollard kangaroo on gpu. No costs.
    Oh Pollard Pro is a new strategy for solving! Share if can be open software for this .And then on the Internet is not the quite the word.

  • virus-cyber
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    July 08, 2019, 01:25:00 PM
     #1087
    Hello here all are just give and show how and I will take only bitcoins and I will tell you thank you sorry my English

  • BurtW
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    July 08, 2019, 01:57:45 PM
     #1088
    Quote from: Firebox on July 07, 2019, 10:52:34 PM
    Step "5" is not a sudden one, there is definitely something behind it! Otherwise if you have a way to recover the private key from four addresses with total amount of 3.7 BTC why wouldn't you do it???
    Explained in the thread if you bothered to read it.

    Quote from: pikachunakapika on July 08, 2019, 05:01:34 AM
    #80: 0xea1a5c66dcc11b5ad180
    #85: 0x11720c4f018d51b8cebba8
    #90: 0x2ce00bb2136a445c71e85bf
    #95: It wasn't me
    #100: Also not me
    Three more to go to a new world record. 

    Quote from: BurtW on June 14, 2019, 02:37:00 PM
    Obviously it is much easier to get the private key when there is a spend transaction on the address. #1 through #61 took a long time whereas #65, #70, #75 and #80 were snatched up pretty soon after the author added the spend transaction to those addresses.  I expect #85 will also be snatched up in due time.

    As discussed #85, #90, #95, #100, #105, #110 are all within the realm of possibility given enough time and resources.  It looks as if #115 would be a new world record so someone with enough equipment and motivation can probably get that one.  Beyond that it is very iffy.
    It will be interesting to see how far people can/will go on this.
    Our family was terrorized by Homeland Security.  Read all about it here:  http://www.jmwagner.com/ and http://www.burtw.com/  Any donations to help us recover from the $300,000 in legal fees and forced donations to the Federal Asset Forfeiture slush fund are greatly appreciated!

  • virus-cyber
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    July 08, 2019, 02:14:16 PM
     #1089
    that's the puzzle developer wants to see Wink

  • pikachunakapika
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    July 08, 2019, 02:57:07 PM
     #1090
    Sorry I won't release source code at this point in time.

    As I am out of the game I want to say thank you to the creator of this puzzle. You had a good timing for revealing the public keys for us! Hope the next solvers will be lucky and grateful too. I will donate a good amount of the BTC I found for good purposes. Regards.

  • threadsupport
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    July 08, 2019, 03:09:12 PM
     #1091
    Quote from: adaseb on July 06, 2019, 11:04:02 PM
    So how secure are satoshi's coins which were mined directly and put in a public address instead of a BTC address.

    Quote from: globaltreasure on June 04, 2019, 01:22:38 PM
    Maybe Satoshi created the greatest prize competition and the privatekeys are somehow within the blockchain.

  • itod
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    July 08, 2019, 07:22:40 PM
     #1092
    Quote from: pikachunakapika on July 08, 2019, 12:31:24 PM
    Quote from: supika on July 08, 2019, 08:49:54 AM
    Quote from: pikachunakapika on July 08, 2019, 05:01:34 AM
    #80: 0xea1a5c66dcc11b5ad180
    #85: 0x11720c4f018d51b8cebba8
    #90: 0x2ce00bb2136a445c71e85bf
    #95: It wasn't me
    #100: Also not me

    Nice. What software/script and what hardware did you used? What are the costs? Thanks!

    Pollard kangaroo on gpu. No costs.

    Just out of curiosity, implemented in C or Python? I see there is a discussion how many kangaroos is optimal, any conclusions from your side on this question?

  • AndreuSmetanin
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    July 08, 2019, 07:45:10 PM
     #1093
    Quote from: virus-cyber on July 08, 2019, 02:14:16 PM
    that's the puzzle developer wants to see Wink
    If now investors in bitcoin learn that a small bunch of intusiasts with the help of improvised means were able to find private keys in 100 bit space ,then what will happen to this whole story if it is seriously engaged in professionals with cool equipment and leading programmers.And I wonder how soon the cost of cryptocurrencies will cost $ 0.

  • pikachunakapika
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    July 08, 2019, 10:01:21 PM
    Last edit: July 08, 2019, 10:21:01 PM by pikachunakapika
    Merited by itod (5)
     #1094
    Quote from: itod on July 08, 2019, 07:22:40 PM
    Quote from: pikachunakapika on July 08, 2019, 12:31:24 PM
    Quote from: supika on July 08, 2019, 08:49:54 AM
    Quote from: pikachunakapika on July 08, 2019, 05:01:34 AM
    #80: 0xea1a5c66dcc11b5ad180
    #85: 0x11720c4f018d51b8cebba8
    #90: 0x2ce00bb2136a445c71e85bf
    #95: It wasn't me
    #100: Also not me

    Nice. What software/script and what hardware did you used? What are the costs? Thanks!

    Pollard kangaroo on gpu. No costs.

    Just out of curiosity, implemented in C or Python? I see there is a discussion how many kangaroos is optimal, any conclusions from your side on this question?
    C++. Single threaded 4 to 5 (but probably hardly matters). You increase your chances to hit a sweet-spot but spread speed over the kangaroos. So it compensates.
    To parallelize: as many as needed. Ratio 1:1.

  • itod
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    July 08, 2019, 10:48:00 PM
     #1095
    Quote from: pikachunakapika on July 08, 2019, 10:01:21 PM
    Quote from: itod on July 08, 2019, 07:22:40 PM
    Quote from: pikachunakapika on July 08, 2019, 12:31:24 PM
    Quote from: supika on July 08, 2019, 08:49:54 AM
    Quote from: pikachunakapika on July 08, 2019, 05:01:34 AM
    #80: 0xea1a5c66dcc11b5ad180
    #85: 0x11720c4f018d51b8cebba8
    #90: 0x2ce00bb2136a445c71e85bf
    #95: It wasn't me
    #100: Also not me

    Nice. What software/script and what hardware did you used? What are the costs? Thanks!

    Pollard kangaroo on gpu. No costs.

    Just out of curiosity, implemented in C or Python? I see there is a discussion how many kangaroos is optimal, any conclusions from your side on this question?
    C++. Single threaded 4 to 5 (but probably hardly matters). You increase your chances to hit a sweet-spot but spread speed over the kangaroos. So it compensates.
    To parallelize: as many as needed. Ratio 1:1.

    Thank you for sharing, very informative.

  • BurtW
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    July 08, 2019, 11:08:30 PM
    Last edit: July 09, 2019, 03:34:03 AM by BurtW
     #1096
    Quote from: AndreuSmetanin on July 08, 2019, 07:45:10 PM
    Quote from: virus-cyber on July 08, 2019, 02:14:16 PM
    that's the puzzle developer wants to see Wink
    If now investors in bitcoin learn that a small bunch of intusiasts with the help of improvised means were able to find private keys in 100 bit space ,then what will happen to this whole story if it is seriously engaged in professionals with cool equipment and leading programmers.And I wonder how soon the cost of cryptocurrencies will cost $ 0.

    Currently not an issue for those that use proper secure random full entropy 256 bit private keys even if the attackers use "cool equipment and leading programmers".

    These keys still have 128 bits of security even with the current search algorithms.  The current record on this thread is 100 bits which leaves 128 - 50 = 78 bits of headroom.

    Assuming 115 bits is possible then that still leaves 128 - 58 = 70 bits of headroom.

    If you want your coins to be more secure than that then use a standard 160 bit Bitcoin address and never reuse your Bitcoin addresses.

    If you want even more security then use a 256 bit Bitcoin address and never reuse your Bitcoin addresses.

    Finally, if there is a breakthrough and ECDSA is deemed less secure then Bitcoin will simply switch to another algorithm with network consent - which I believe would happen given a known reduction in the security of the ECDSA (as long as the change did not try to sneak in a whole lot of extra baggage with it).
    Our family was terrorized by Homeland Security.  Read all about it here:  http://www.jmwagner.com/ and http://www.burtw.com/  Any donations to help us recover from the $300,000 in legal fees and forced donations to the Federal Asset Forfeiture slush fund are greatly appreciated!

  • j2002ba2
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    July 09, 2019, 12:03:50 AM
     #1097
    Quote from: BurtW on July 08, 2019, 11:08:30 PM
    Currently not an issue for those that use proper secure random full entropy 256 bit private keys even if the attackers use "cool equipment and leading programmers".

    These keys still have 128 bits of security even with the current search algorithms.  The current record on this thread is 100 bits which leaves 128 - 100 = 28 bits of headroom.

    Assuming 115 bits is possible then that still leaves 128 - 115 = 13 bits of headroom.

    If you want your coins to be more secure than that then use a standard 160 bit Bitcoin address and never reuse your Bitcoin addresses.

    If you want even more security then use a 256 bit Bitcoin address and never reuse your Bitcoin addresses.
    You are off with the numbers.
    Security is 128 bit for 256 bit public keys, and 50 bit for 100 bit pk.
    So the security headroom is 128-50 = 78 bits.

  • BurtW
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    July 09, 2019, 03:31:57 AM
     #1098
    Quote from: j2002ba2 on July 09, 2019, 12:03:50 AM
    You are off with the numbers.
    Security is 128 bit for 256 bit public keys, and 50 bit for 100 bit pk.
    So the security headroom is 128-50 = 78 bits.
    oops, thanks, and fixed.
    Our family was terrorized by Homeland Security.  Read all about it here:  http://www.jmwagner.com/ and http://www.burtw.com/  Any donations to help us recover from the $300,000 in legal fees and forced donations to the Federal Asset Forfeiture slush fund are greatly appreciated!

  • adaseb
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    July 10, 2019, 12:18:06 AM
     #1099
    It very well could be 3 different people that have solved the last few keys.

    Bitcoin isn't worth $3000 anymore like it was at the beginning of the year. Its almost $13K so the person who found the 1 BTC made alot of money.

    Most people who visit this thread could be lurkers and they can have more knowledge than us and hardware. So there could be about a dozen or so people who are trying to find the remaining private keys. Its definitely worth the time.
     
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  • supika
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    July 10, 2019, 11:03:06 AM
     #1100
    Quote from: adaseb on July 10, 2019, 12:18:06 AM
    It very well could be 3 different people that have solved the last few keys.

    Bitcoin isn't worth $3000 anymore like it was at the beginning of the year. Its almost $13K so the person who found the 1 BTC made alot of money.

    Most people who visit this thread could be lurkers and they can have more knowledge than us and hardware. So there could be about a dozen or so people who are trying to find the remaining private keys. Its definitely worth the time.



    Or could be that those who found the private keys are individuals in the same group with the owner of the puzzle.
    I'll believe something else when I will find one of the private keys and I will be able to spend it.
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