quizchain/46

Solved on 2019-04-16 after 16h 1m, 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.

Another address

"Looking for another Bitcoin address, starting with 1A1. I do NOT own this address."

It's the genesis address, 1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa. Keep it in mind, it comes back as the puzzle of block 77. Claimed 54 seconds after block 45.

IDquizchain/4646 / 772019-04-16

Puzzle / quizchain

46

bitcoinp2pkh solved

Record

bitcoinPuzzle({
  address: p2pkh("1FAVdEyekXJu…Pq9fsPtv", "9b5d6642148b…05b5136e"),
  status: Status.Solved,
  key: wif("KyUcwLpYRN72…DadyH5bR").entropy("583d01edbdf8…f506e991", source("https://www.…5_to_47/")).derived(),
})

Prize: 0.007 BTC
Key material: wif, derived from the recipe
Verification: verified
Solved: 2019-04-16 · 16h 1m

tx 2

Trail: Explorerblockstream.info; Sourcereddit.com/r/bitcoinpuzzles/comments/bdrcj7/7_mbtc_7_mbtc_11_mbtc_quizchain_blocks_45_to_47; Tryquizchain/46 in the playground

Address: 1FAVdEyekXJu5o7Bx6QvVVnayYPq9fsPtv

hash160 9b5d6642148bd4a381cba4bdcc0548ba05b5136e

Balance

asking the explorer

Key

public key · compressed: 03abb6290e4fabfb1f72da1e3baac067d750d52afe78201e3251d30f6a0171ac98
WIF: KyUcwLpYRN72BjQbtT7job74DySaLS71PBfg71QMz4RKDadyH5bR
entropy hash: 583d01edbdf81cc7494c85bcf506e991
entropy source: MD5 of the genesis address, the fixed BFUB text and the last seven characters of the block 45 key

Transactions

funding2019-04-160.007 BTC2900dfc636…dfa90a
claim2019-04-160.00690707 BTC526b428a52…458ed2

Hints

undated
officialLooking for another Bitcoin address, starting with 1A1. Not mentioned by me before here or elsewhere. I do NOT own this address.
Sourcereddit.com/r/bitcoinpuzzles/comments/bdrcj7/7_mbtc_7_mbtc_11_mbtc_quizchain_blocks_45_to_47
Published answer
1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa (Genesis block address, also puzzle for block 77).
Sourcewattpad.com/720895205-second-complete-quizchain
undated
officialFormat: [solution] BFUB Think. Think harder. [link]
Sourcereddit.com/r/bitcoinpuzzles/comments/bdrcj7/7_mbtc_7_mbtc_11_mbtc_quizchain_blocks_45_to_47
undated
officialFind solution, which is the Bitcoin address I am looking for, leave BFUB unchanged and use last 7 digits of previous private key for link.
Sourcereddit.com/r/bitcoinpuzzles/comments/bdrcj7/7_mbtc_7_mbtc_11_mbtc_quizchain_blocks_45_to_47