quizchain/24

Solved on 2019-04-11 after 51m, 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.

Read backwards

"Read backwards." That's the whole question.

24 read backwards is 42, so the string is 42 mph. And yes, 42 will be the answer to block 42 as well. Solved in 51 minutes.

IDquizchain/2424 / 772019-04-11

Puzzle / quizchain

24

bitcoinp2pkh solved

Record

bitcoinPuzzle({
  address: p2pkh("1KEAu58Aee4Q…nBTydepP", "c7efef11704b…9798ef71"),
  status: Status.Solved,
  key: wif("KyvktRtTdifj…MxAqCtp5").entropy("4834584f9ca0…655dd681", source("https://www.…lock_24/")).derived(),
})

Prize: 0.007 BTC
Key material: wif, derived from the recipe
Verification: verified
Solved: 2019-04-11 · 51m

tx 2

Trail: Explorerblockstream.info; Sourcereddit.com/r/bitcoinpuzzles/comments/bbw9s3/easy_7_mbtc_quizchain_block_24; Tryquizchain/24 in the playground

Address: 1KEAu58Aee4QWaEffRgQkri6vDnBTydepP

hash160 c7efef11704b1b34c3f6638d1436b6d29798ef71

Balance

asking the explorer

Key

public key · compressed: 036ea5d8332f73b71bb260d6aed42ff5dde1a94ede2f0a1cbfdb0fae6221af2811
WIF: KyvktRtTdifj19HmNAGPwRe6mvSxcWyE9jUwk9V8nqBXMxAqCtp5
entropy hash: 4834584f9ca0687697726bbf655dd681
entropy source: MD5 of the block number read backwards, a space and the last three characters of the block 23 key the block 23 post printed

Transactions

funding2019-04-110.007 BTC6ecfa33a3f…771242
claim2019-04-110.00669453 BTC548e8e9479…58fcd0

Hints

undated
officialQuestion: Read backwards.
Sourcereddit.com/r/bitcoinpuzzles/comments/bbw9s3/easy_7_mbtc_quizchain_block_24
Published answer
Update: Solved. The block number 24 backwards is 42, which in turn will be the answer to block 42 as well.
Sourcereddit.com/r/bitcoinpuzzles/comments/bbw9s3/easy_7_mbtc_quizchain_block_24
undated
officialFormat: [solution] [link] with exactly one space between.
Sourcereddit.com/r/bitcoinpuzzles/comments/bbw9s3/easy_7_mbtc_quizchain_block_24