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1  Other / Off-topic / Re: [ARCHIVE] Bitcoin challenge discusion on: November 14, 2019, 02:29:04 AM
However in fact, this list of 10 million addresses is only "wild kangaroos" received from the public key of "rich BTC address". Only the creator of the list knows "the step" from every address to the rich one.
This is like "hidden scam". The creator's goal is to find the key to the rich address, and he provides the list of 10 million addresses derived from that one. All the followers will actually spend the electricity, use their CPU/GPU powers to help the pseudo researcher to find the rich key (thinking that they are actually helping in some crypto research)

So I guess it would be similar to a third party generating a vanity address?

1. Requester generates a random privkey, discloses requesterpubkey and desired targetaddress to cracker
2. Cracker generates random privkeys to find a match: address(pubkey(crackerprivkey)+requesterpubkey)==targetaddress
3. When found, cracker provides requester with the solution (which is crackerprivkey)
4. Requester recovers privkey of targetaddress by adding together requesterprivkey+crackerprivkey
5. Cracker never knows they've actually cracked a funded address.

On second thoughts, it can't be that simple, since the cracker would still need to bruteforce the 2^160 space, which is impossible. How does it work? The scammer is precomputing kangaroo steps and splitting them out into discrete problems which can be recombined to form the final solution?

The thing is no scammer ever had success with this.They have this delusional idea and try it against all odds.

@Tddclient, can you please make the stats accessible for non-registered users (anonymized sensible data)?

2  Bitcoin / Bitcoin Discussion / Re: Bitcoin puzzle transaction ~32 BTC prize to who solves it on: November 10, 2019, 03:00:08 AM
He took 110 bit address subtracted 1 up to 2048 and divided it by 0x801 (or something like that) in hope to reduce search time.
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