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Re: Bitcoin puzzle transaction ~32 BTC prize to who solves it
Seems like this thread will be full of non-sense and jokes for the next 3+ years, about this and that fantasy.
It's a very simple game: you don't need quantum technology, CPU whatevers, nuclear plants.
Puzzle 71 can be solved with around 1 to 2 million $, and the technology already exists, it's called GPU renting.
The only problem is that it makes no sense to spend that amount of money to only get back 700.000 $
That's the ONLY and SUFFICIENT reason for why people like Bram didn't already jump on the 71 wagon.
Trying to solve this with CPUs only increases the costs several times. You people need some reality check about some basic facts about costs of computing power. Solving something with technology that does 100x times less work per the same cost makes no sense whatsoever. It's just a waste of time and energy, no matter what anyone says. Just the same as when you play the lottery, you're most likely not going to win, but lose. Solving something like 71 is the same as winning the lottery every single time, each second, for a lifetime. Think about it before wasting time on this with the wrong (or inexistent) strategy.
It's a very simple game: you don't need quantum technology, CPU whatevers, nuclear plants.
Puzzle 71 can be solved with around 1 to 2 million $, and the technology already exists, it's called GPU renting.
The only problem is that it makes no sense to spend that amount of money to only get back 700.000 $
That's the ONLY and SUFFICIENT reason for why people like Bram didn't already jump on the 71 wagon.
Trying to solve this with CPUs only increases the costs several times. You people need some reality check about some basic facts about costs of computing power. Solving something with technology that does 100x times less work per the same cost makes no sense whatsoever. It's just a waste of time and energy, no matter what anyone says. Just the same as when you play the lottery, you're most likely not going to win, but lose. Solving something like 71 is the same as winning the lottery every single time, each second, for a lifetime. Think about it before wasting time on this with the wrong (or inexistent) strategy.
Ah yes, the classic “this is all nonsense and a waste of time, but here I am anyway, typing a 500-word essay about it” paradox. If I had $1 to $2 million just lying around, GPU rentals would be the last thing on my mind—maybe a yacht, or at least a decent espresso machine. But here you are, in the trenches with the rest of us peasants, warning us about the futility of trying. Noble, really. Like a millionaire wandering into a slot machine forum to tell people it's a scam—deeply appreciated.
Also, thanks for the hot take that GPUs are faster than CPUs; next you’ll tell us that water is wet and that the sky is occasionally blue. I mean, it’s not like anyone here considered the cost-performance ratio, right? We’ve just been over here rubbing sticks together hoping to brute-force Puzzle 71 with Morse code and wishful thinking. Clearly, what we needed was an investment banker with a Reddit account and GPU pricing charts.
But if it truly makes "no sense whatsoever" to chase it—why are you here doing a TED Talk about it? Wouldn’t your high IQ and 7-figure knowledge be better used on a tropical island, possibly training dolphins to sort Bitcoin keys? Or maybe you already tried GPU-renting, lost your $2 million, and now you’re here for the group therapy?
Let’s not pretend Bram would’ve just “jumped on the 71 wagon” like it’s a Black Friday deal—this ain’t Amazon Prime for crypto puzzles. The fact you think throwing money at GPUs guarantees success shows you’ve got either too much money or not enough experience. Or both. And sure, most strategies are wrong or "inexistent," but they’re still fun. That’s kind of the point.
We all know it's unlikely—but here’s the twist: so is someone with $2 million hanging out on a puzzle thread trying to sound superior instead of, I don’t know, hiring actual researchers or engineers. So yeah, when you say it's a waste of time… you might be talking more about yourself than the puzzle. But hey, stick around—we’ve got jokes, chaos, and maybe, just maybe, a strategy that doesn’t cost as much as a mid-sized house.
I would have worked on 71 if the cost / risk / reward ratio was worth it. It isnt.
Just for fun, lets compare the odds of Puzzle 71 using a 4090 on 0.10$ kw/hr versus buying powerball tickets :
Chance to win powerball 1M prize paying for a 2$ ticket : 0,00000856%
Chance to win Puzzle 71 paying 2$ : 0,00009487%
You're still 10x better off trying your luck on 71 it seems
Hello, I can't send messages from my DM box and I can't see the incoming messages. I think there is a problem. I'm glad to hear you'll be taking a detailed look. Since the solution clearly surpasses the 5% threshold you specified, I'm quite confident it meets the criteria you outlined.
That said, if there are any points you'd like to discuss or challenge, I'm more than happy to engage on a technical level.
Looking forward to your response
Re: Bitcoin puzzle transaction ~32 BTC prize to who solves it
I would have worked on 71 if the cost / risk / reward ratio was worth it. It isnt.
Just for fun, lets compare the odds of Puzzle 71 using a 4090 on 0.10$ kw/hr versus buying powerball tickets :
Chance to win powerball 1M prize paying for a 2$ ticket : 0,00000856%
Chance to win Puzzle 71 paying 2$ : 0,00009487%
You're still 10x better off trying your luck on 71 it seems
[/quote]
Hello, I can't send new messages from my DM box and I can't see the incoming messages. I think there is a problem." I'm glad to hear you'll be taking a detailed look. Since the solution clearly surpasses the 5% threshold you specified, I'm quite confident it meets the criteria you outlined.
That said, if there are any points you'd like to discuss or challenge, I'm more than happy to engage on a technical level.
Looking forward to your response.
Re: Bitcoin puzzle transaction ~32 BTC prize to who solves it
The problem is you criticize a prediction model without having the parameters, so of course you'll get to the wrong conclusions.
The fact is it's you who made wrong conclusions
I did not, we went for a risk / reward play based on the info we had. I don’t think it’s that hard to understand.
Yesterday, I sent you my proposal for a statistical method that reduces the 2^70 key space for puzzle 71 by 7.22%. Did you see it?
Re: Bitcoin puzzle transaction ~32 BTC prize to who solves it
I think I’ve approached all of this the wrong way.
I’m offering a 0.1 BTC bounty for the formal proof of any traversal method that provides a statistical edge over a linear scan for puzzle 69. By statistical edge I mean that this new traversal method running on a statistically significant number of executions requires significantly fewer checks (let’s put the threshold at 5%) to find the key.
Conditions :
- Has to be written using math semantics. Not “where does John lives” metaphors.
- Has to be empirically validated using a python / nodeJS script.
- First one posting it to this thread will be recipient of the bounty.
I’m offering a 0.1 BTC bounty for the formal proof of any traversal method that provides a statistical edge over a linear scan for puzzle 69. By statistical edge I mean that this new traversal method running on a statistically significant number of executions requires significantly fewer checks (let’s put the threshold at 5%) to find the key.
Conditions :
- Has to be written using math semantics. Not “where does John lives” metaphors.
- Has to be empirically validated using a python / nodeJS script.
- First one posting it to this thread will be recipient of the bounty.
I can show you my method—it has nothing to do with random or sequential search or patterns. It's pure statistics. But it would be stupid to make it public for obvious reasons. This has to be a private message.
Feel free to DM.
Ofc the bounty is now for puzzle 71, not for puzzle 69, for obvious reasons
Re: Bitcoin puzzle transaction ~32 BTC prize to who solves it
After so much debate, I have concluded that @Bram and @Ktimesg were right; prefix search does not offer a statistically significant improvement.
https://bitcointalk.org/index.php?topic=5539190
https://bitcointalk.org/index.php?topic=5539190
Thanks for editing the original post with the conclusion.
Also, it takes a lot to change one’s mind, so kudos to you for doing so.
I’ve found a method that reduces the 2⁷⁰ search space of Puzzle 71 by approximately 7.22%, without using any prefixes or hash tricks. I've tested it in Python.
I just hope the competition is still ongoing and the reward is valid. Once I wrap up some other work, I’ll share the method.
Hi all. I'm using the kangaroo version from https://github.com/iceland2k14/Kangrand I also have a list of 34.5 thousand public keys with account balance. Could you tell me the optimal settings for a PC with only a CPU and for a PC with a GPU? Just one address will be enough for me and I will post the rest on this forum. 
can you send me the list of 34.5 thousand public keys?