quizchain2/47

Solved on 2019-06-22 after 10h 51m, key derived from the published recipe. 0.011 BTC on Bitcoin.

Story

What the post asked, what the answer turned out to be, and what the chain says happened. The record below holds the data.

Lucky number

June 22, 2019. Block 47 pays 11 mBTC, the cross sum of 4 and 7. The question is a number, 115257. One digit block, f25.

The author promised hints every 30 minutes if needed. Were they needed?

No. Add the digits, 1 + 1 + 5 + 2 + 5 + 7, and you get 21. The TOMI field is cross sum. The same method and the same TOMI as block 47 of the first run. The digits come from the genesis block address, so the Fibonacci look is a hoax.

u/silver_anth posted 21 TOMI cross sum three minutes after the post. "Please don't snipe me". A reply came a minute later: "sniped". The claim confirmed at 23:32:32 UTC, 34 minutes after the post. Whose claim was it? The thread doesn't say.

IDquizchain2/4747 / 772019-06-22

Puzzle / quizchain2

47

bitcoinp2pkh solved

Record

puzzle({
  chain: "bitcoin",
  address: "1N2niQ6254HE…yTLWjMeA",
  status: Status.Solved,
  key: wif("L3siinurst6g…DoL38nNY").entropy("f259fd354a72…180c367a", source("https://www.…lock_47/")).derived(),
})

Prize: 0.011 BTC
Key material: wif, derived from the recipe
Verification: verified
Solved: 2019-06-22 · 10h 51m

tx 2

Trail: Explorerblockstream.info; Sourcereddit.com/r/Grycoin/comments/c3vye3/11_mbtc_quizchain2_block_47; Tryquizchain2/47 in the playground

Address: 1N2niQ6254HESHab6YTSgUL1suyTLWjMeA

hash160 e6b137a3f8204467acb308bc7fea3d74c324f0b5

Balance

asking the explorer

Key

public key · compressed: 024e03c3f7011b1637187744150c73e7332a07bd1d4f60dd6285751b781bf69184
WIF: L3siinurst6gR8nJQmjqm4UXEQxZjQ5aosXBVBqxTnfzDoL38nNY
entropy hash: f259fd354a72768507eb9d8d180c367a
entropy source: MD5 of the number, TOMI and two words

Transactions

funding2019-06-220.011 BTC2965f73dd4…bb50ce
claim2019-06-220.01095968 BTCd32b5115bb…d8ad1f

Files

Techniques

md5-to-bip39-entropypuzzlereddit.com/r/Grycoin/comments/c3vye3/11_mbtc_quizchain2_block_47

Hints

undated
officialQuestion: 115257
Sourcereddit.com/r/Grycoin/comments/c3vye3/11_mbtc_quizchain2_block_47
Published answer
Solution was "21" and TOMI field was "cross sum".
Sourcereddit.com/r/Grycoin/comments/c3vye3/11_mbtc_quizchain2_block_47
undated
officialFormat: [solution] TOMI [TOMI]
Sourcereddit.com/r/Grycoin/comments/c3vye3/11_mbtc_quizchain2_block_47
Published answer
21 TOMI cross sum
Sourcereddit.com/r/Grycoin/comments/c3vye3/comment/ertjwdh
undated
officialFirst three digits of MD5 hash are f25.
Sourcereddit.com/r/Grycoin/comments/c3vye3/11_mbtc_quizchain2_block_47