IDcollectionsBitcoin puzzle transaction

bits/83

Open since 2015-01-15, the key somewhere in 83 bits. 8.30002046 BTC on Bitcoin.

IDbits/8383 / 2562015-01-15
Puzzle / bits

83

bitcoinp2pkh unsolved

Record

puzzle({
  chain: "bitcoin",
  address: "14MdEb4eFcT3…JSnt1Dk2",
  key: bits(83),
})
Prize
8.30002046 BTC
Key material
83-bit search width
Verification
unverifiable
Solved
not yet
tx 5
Trail
Explorerblockstream.info
Sourcebitcointalk.org/index.php?topic=5218972
Trybits/83 in the playground
Address
14MdEb4eFcT3MVG5sPFG4jGLuHJSnt1Dk2

hash160 24cef184714bbd030833904f5265c9c3e12a95a2

Balance
asking the explorer

Key

range · 83 bits
0x400000000000000000000 to 0x7ffffffffffffffffffff

Transactions

  1. funding2015-01-150.083 BTC08389f34c9…a6cd15
  2. increase2017-07-110.747 BTC5d45587cfd…384164
  3. increase2023-04-167.47 BTC12f34b58b0…8d13b3
  4. increase2024-12-050.00000546 BTCcead5b26ed…fb74d9
  5. increase2025-10-280.000015 BTC2d87bb6d81…5a244b

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).