quizchain/65

Solved on 2019-04-26 after 1h 21m, key derived from the published recipe. 0.007 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.

A time of day

"I am looking for the time of the day." First of three blocks, 65 to 67, funded in the same Bitcoin block.

The time is the timestamp of Bitcoin block 65, 21:55:03, and the field is blockchain block 65. 80 minutes.

IDquizchain/6565 / 772019-04-26

Puzzle / quizchain

65

bitcoinp2pkh solved

Record

bitcoinPuzzle({
  address: p2pkh("1PGv1YpL4zJM…uitW6oHd", "f45541b98253…2bed3c8d"),
  status: Status.Solved,
  key: wif("L1uF3U83zfBK…jxdes9A7").entropy("be90557b2ec9…11021f06", source("https://www.…lock_65/")).derived(),
})

Prize: 0.007 BTC
Key material: wif, derived from the recipe
Verification: verified
Solved: 2019-04-26 · 1h 21m

tx 2

Trail: Explorerblockstream.info; Sourcereddit.com/r/bitcoinpuzzles/comments/bhloyj/1_of_3_7_mbtc_quizchain_block_65; Tryquizchain/65 in the playground

Address: 1PGv1YpL4zJMZHoXSUcNurjen5uitW6oHd

hash160 f45541b982531cfcd1c6aa4918f861712bed3c8d

Balance

asking the explorer

Key

public key · compressed: 027375e70bb6b999527f211fb8d5ad69cc5e318eff703234bddc23210c2185461a
WIF: L1uF3U83zfBKJ6v3fV7fdFZCuhu39HcmncLJ7L2Ktokjjxdes9A7
entropy hash: be90557b2ec9548b1fa31a3611021f06
entropy source: MD5 of the time, TOMI, the three words and the whole block 64 key

Transactions

funding2019-04-260.007 BTCbaead4a5bd…171d6a
claim2019-04-260.00680646 BTC3164cad3e0…d66825

Hints

undated
officialQuestion: I am looking for the time of the day.
Sourcereddit.com/r/bitcoinpuzzles/comments/bhloyj/1_of_3_7_mbtc_quizchain_block_65
Published answer
Solution was found in the timestamp of "blockchain block 65", which was 21:55:03, and the TOMI field was what I just put in quotation marks.
Sourcereddit.com/r/bitcoinpuzzles/comments/bhloyj/1_of_3_7_mbtc_quizchain_block_65
undated
officialFormat: [solution] TOMI [word1 word2 number] [link]
Sourcereddit.com/r/bitcoinpuzzles/comments/bhloyj/1_of_3_7_mbtc_quizchain_block_65
undated
officialFormat for solution is like this: For example for half past six pm time: 18:30:27, last two digits are seconds.
Sourcereddit.com/r/bitcoinpuzzles/comments/bhloyj/1_of_3_7_mbtc_quizchain_block_65
undated
officialFull private key of block 64, L565NraUtwZkJfjMwv8Zi58fSfMe6J8jhUYbVvKY6FPKLjod36og.
Sourcereddit.com/r/bitcoinpuzzles/comments/bhloyj/comment/eltqjv0