IDcollectionsBitcoin puzzle transaction

bits/139

Open since 2015-01-15, the key somewhere in 139 bits. 13.9 BTC on Bitcoin.

IDbits/139139 / 2562015-01-15
Puzzle / bits

139

bitcoinp2pkh unsolved

Record

puzzle({
  chain: "bitcoin",
  address: "1Fz63c775VV9…E6sKCxbt",
  key: bits(139),
})
Prize
13.9 BTC
Key material
139-bit search width
Verification
unverifiable
Solved
not yet
tx 3
Trail
Explorerblockstream.info
Sourcebitcointalk.org/index.php?topic=5218972
Trybits/139 in the playground
Address
1Fz63c775VV9fNyj25d9Xfw3YHE6sKCxbt

hash160 a45dae9cd5d3fde21e5aa9a95367d107267b3b8a

Balance
asking the explorer

Key

range · 139 bits
0x40000000000000000000000000000000000 to 0x7ffffffffffffffffffffffffffffffffff

Transactions

  1. funding2015-01-150.139 BTC08389f34c9…a6cd15
  2. increase2017-07-111.251 BTC5d45587cfd…384164
  3. increase2023-04-1612.51 BTC12f34b58b0…8d13b3

Techniques

  1. masked-key-rangecollectionbitcointalk.org/index.php?topic=1306983.msg18765941

Hints

  1. 2017-04-2706:41:08

    officialcollectionThere is no pattern. It is just consecutive keys from a deterministic wallet (masked with leading 000...0001 to set difficulty).