quizchain/25

Solved on 2019-04-11 after 4m, 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.

Y

"Wait, but why?" Y, the 25th letter, for block 25. Gone five minutes after funding. The author squeezed it in while the alphabet still had letters.

IDquizchain/2525 / 772019-04-11

Puzzle / quizchain

25

bitcoinp2pkh solved

Record

bitcoinPuzzle({
  address: p2pkh("13ZuQHSeeJFY…J65odk33", "1c294e0b8a3a…cffc6a4a"),
  status: Status.Solved,
  key: wif("KxmrVCvyFVgF…dnneh6aC").entropy("a6456eec4c91…710a23be", source("https://www.…lock_25/")).derived(),
})

Prize: 0.007 BTC
Key material: wif, derived from the recipe
Verification: verified
Solved: 2019-04-11 · 4m

tx 2

Trail: Explorerblockstream.info; Sourcereddit.com/r/bitcoinpuzzles/comments/bbwl11/easy_7_mbtc_quizchain_block_25; Tryquizchain/25 in the playground

Address: 13ZuQHSeeJFYyyLN9CcYm1Lg9QJ65odk33

hash160 1c294e0b8a3a833278275188871610b6cffc6a4a

Balance

asking the explorer

Key

public key · compressed: 025a285721813297978fc6079d742a8cbcb9469c54e5a38e824f6001b6ed125885
WIF: KxmrVCvyFVgFCdjYJv8eFF3bqbsg2QE9rS31rSF3V4Lodnneh6aC
entropy hash: a6456eec4c9150a81227889b710a23be
entropy source: MD5 of the letter, a space and the last three characters of the block 24 key

Transactions

funding2019-04-110.007 BTC5a9ebb00e1…7e46eb
claim2019-04-110.00669453 BTC57444c1698…32a1f6

Hints

undated
officialQuestion: Wait, but why?
Sourcereddit.com/r/bitcoinpuzzles/comments/bbwl11/easy_7_mbtc_quizchain_block_25
Published answer
Solution was Y, as the 25th letter in the alphabet, chosen for block 25.
Sourcereddit.com/r/bitcoinpuzzles/comments/bbwl11/easy_7_mbtc_quizchain_block_25
undated
officialFormat: [solution] [link] with exactly one space between them.
Sourcereddit.com/r/bitcoinpuzzles/comments/bbwl11/easy_7_mbtc_quizchain_block_25