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Author Topic: Bitcoin puzzle transactions?  (Read 117 times)
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September 14, 2018, 03:24:25 PM

I came to the term as "Bitcoin puzzle transactions" which is referring to, at first glance it is just a normal transaction with lots of outputs. Why is it named so? What is the puzzle in it?

BTC: 38ykUxZeSv5aqav1keCc4KUxXLPPGkfrm5 LTC: MPpWNvqDCVB1PHJt4A28j9oFfc6Y1KKDno ETH: 0x07C8c68d5253247038947EF9495b054160c8737c
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Reply with quote  #2

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September 14, 2018, 03:48:18 PM

The 'puzzle in it' is that the private keys associated to the outputs have been generated in a specific way (e.g. a specific formula).
If you look at the transaction more detailed, you'll see that the outputs are 'ordered'. Beginning with the smallest .. to the highest.

Until (including) address 17aPYR1m6pVAacXg1PTDDU7XafvK1dxvhi (0.056 BTC) the UTXO's have been claimed (puzzle solved) already.
But from address 15c9mPGLku1HuW9LRtBf4jcHVpBUt8txKz (containing 0.057 BTC) up to address 1FMcotmnqqE5M2x9DDX3VfPAPuBWArGisa (0.256 BTC) the outputs havn't been claimed yet.

If you find out how to generate the private keys (based on the earlier ones, it may be some kind of increasing difficulty / search space), you can claim those BTC. And that's the 'puzzle'.

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September 14, 2018, 03:50:55 PM

That refers to Bitcoin puzzle that created by a Bitcoiner where you need to find the answer/pattern to create/generate private key or mnemonic seed. This puzzle already discussed on

If you're looking for Proof-of-work where few people refers it as bitcoin puzzle where miners need to find hash less than current target, then check or

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