IDcollectionsBitcoin puzzle transaction

bits/82

Open since 2015-01-15, the key somewhere in 82 bits. 8.2 BTC on Bitcoin.

IDbits/8282 / 2562015-01-15
Puzzle / bits

82

bitcoinp2pkh unsolved

Record

puzzle({
  chain: "bitcoin",
  address: "13zYrYhhJxp6…WM45ARAC",
  key: bits(82),
})
Prize
8.2 BTC
Key material
82-bit search width
Verification
unverifiable
Solved
not yet
tx 3
Trail
Explorerblockstream.info
Sourcebitcointalk.org/index.php?topic=5218972
Trybits/82 in the playground
Address
13zYrYhhJxp6Ui1VV7pqa5WDhNWM45ARAC

hash160 20d28d4e87543947c7e4913bcdceaa16e2f8f061

Balance
asking the explorer

Key

range · 82 bits
0x200000000000000000000 to 0x3ffffffffffffffffffff

Transactions

  1. funding2015-01-150.082 BTC08389f34c9…a6cd15
  2. increase2017-07-110.738 BTC5d45587cfd…384164
  3. increase2023-04-167.38 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).