quizchain/70

Solved on 2019-04-29 after 11h 42m, key published. 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 yet another Bitcoin address."

The coinbase address of Bitcoin block 70, the other chain's block 70. Solved without a hint.

IDquizchain/7070 / 772019-04-29

Puzzle / quizchain

70

bitcoinp2pkh solved

Record

bitcoinPuzzle({
  address: p2pkh("14q5gN69NHBK…GZCB3i8T", "2a003fc406c1…713581e4"),
  status: Status.Solved,
  key: wif("KzeCckbvmKAW…Uj8MCe6c").entropy("a945917b9567…881b3d68", source("https://www.…lock_70/")),
})

Prize: 0.007 BTC
Key material: wif
Verification: verified
Solved: 2019-04-29 · 11h 42m

tx 2

Trail: Explorerblockstream.info; Sourcereddit.com/r/bitcoinpuzzles/comments/bilvsq/7_mbtc_quizchain_block_70; Tryquizchain/70 in the playground

Address: 14q5gN69NHBKptffrrmxhST2qjGZCB3i8T

hash160 2a003fc406c1b6c32fdfa595fac8af4e713581e4

Balance

asking the explorer

Key

public key · compressed: 03cf1f333e1e7df422613456c8f16f7861bb92222c11a0346241eb14743437cbf0
WIF: KzeCckbvmKAWs1JvDqX9VHKWETNyNwUZYCQY6Pvyv7BoUj8MCe6c
entropy hash: a945917b956796976029e198881b3d68
entropy source: MD5 of the address, TOMI, the fixed text and the whole block 69 key

Transactions

funding2019-04-290.007 BTCc33b1d66b1…9cb6aa
claim2019-04-290.00690669 BTCf75c63691c…1158a7

Hints

undated
officialQuestion: Looking for yet another Bitcoin address.
Sourcereddit.com/r/bitcoinpuzzles/comments/bilvsq/7_mbtc_quizchain_block_70
Published answer
As already explained in comments, solution was the coinbase funding address of the other chain block 70.
Sourcereddit.com/r/bitcoinpuzzles/comments/bilvsq/7_mbtc_quizchain_block_70
undated
officialFormat: [solution] TOMI Anyone find Satoshi's puzzle yet? [link]
Sourcereddit.com/r/bitcoinpuzzles/comments/bilvsq/7_mbtc_quizchain_block_70
Published answer
Solution is address 1NnYa2jL24hLgXBbk3TAXHANUQEzXNnSHg which is the address of Block #70 on the Bitcoin blockchain
Sourcereddit.com/r/bitcoinpuzzles/comments/bilvsq/comment/em2p40p
undated
officialLink is the full private key from block 69.
Sourcereddit.com/r/bitcoinpuzzles/comments/bilvsq/7_mbtc_quizchain_block_70