IDcollections Move Over Brokers treasure hunt

move-over-brokers/en-easy-1

Solved on 2022-01-15 after 1y 1mo 17d 14h 24m, key derived from the published recipe. 0.002 BTC on Bitcoin.

IDmove-over-brokers/en-easy-101 / 122020-11-28 → 2022-01-15

Puzzle / move-over-brokers

en-easy-1

bitcoinp2pkh solved

Record

puzzle({
  chain: "bitcoin",
  address: "14aFhno96fkt…v5hBF4n1",
  status: Status.Solved,
  key: hex("72048596fda6…0f4e1b89").wif("5JgW1WrxCgC4…KX14Cunc").passphrase("221B Baker Street").derived(),
})

Prize: 0.002 BTC
Key material: hex, derived from the recipe
Verification: verified
Solved: 2022-01-15 · 1y 1mo 17d 14h 24m

tx 2

Trail: Explorerblockstream.info; Sourcekf106.medium.com/everyone-loves-a-treasure-hunt-93885ae8d80a; Trymove-over-brokers/en-easy-1 in the playground

Address: 14aFhno96fkt7knLWMDQ4j8yh8v5hBF4n1

hash160 273260b4f01b31f6cea8d064a3bbbfa7d1302e76

Balance

asking the explorer

Key

public key · uncompressed: 0479b1b086e28ab7c7f98efb60103b5e0cc01cee15f037dcc616dd49ffc17f9f2516d784f8414813247abeaefe6cd6388df2463cf5df99618aacc9e9c6cb219f1b
private key (hex): 72048596fda6013a976c22ac4d0b1dbc29a3ca624f4740a64b195ad10f4e1b89
WIF: 5JgW1WrxCgC4275UqHQfTVpdnyEPJDaaSf76VPCC7Q6KX14Cunc
passphrase: 221B Baker Street

Transactions

funding2020-11-280.002 BTCf26ecab737…ce8972
claim2022-01-150.0019888 BTC5a4eb010ab…cf8011

Techniques

triple-sha256-brainwalletpuzzlegithub.com/floflo777/open-crypto-puzzles/tree/main/2-mid-prizes/keir-finlow-bates-blockchain-book-600ksats

Hints

undated
officialYou hold the source of each and every key in your hands... as long as you have a physical copy, that is. Note that there are plenty of red herrings too.
Sourcegithub.com/floflo777/open-crypto-puzzles/blob/main/2-mid-prizes/keir-finlow-bates-blockchain-book-600ksats/clues/author-posts.md
undated
officialIn many cases, you'll have to hash the answer three times.
Sourcegithub.com/floflo777/open-crypto-puzzles/blob/main/2-mid-prizes/keir-finlow-bates-blockchain-book-600ksats/clues/author-posts.md
2026-08-16
communityThe book plants the number 221 with a "check it on your calculator" nudge in one chapter and titles a section "Elementary, my dear Watson" in another.
Sourcegithub.com/floflo777/open-crypto-puzzles/tree/main/2-mid-prizes/keir-finlow-bates-blockchain-book-600ksats
Published answer
221B Baker Street
2026-08-16github.com/floflo777/open-crypto-puzzles/tree/main/2-mid-prizes/keir-finlow-bates-blockchain-book-600ksats