IDcollectionsBitcoin puzzle transaction

bits/136

Open since 2015-01-15, the key somewhere in 136 bits. 13.6 BTC on Bitcoin.

IDbits/136136 / 2562015-01-15
Puzzle / bits

136

bitcoinp2pkh unsolved

Record

puzzle({
  chain: "bitcoin",
  address: "1UDHPdovvR98…xuRiTALq",
  key: bits(136),
})
Prize
13.6 BTC
Key material
136-bit search width
Verification
unverifiable
Solved
not yet
tx 3
Trail
Explorerblockstream.info
Sourcebitcointalk.org/index.php?topic=5218972
Trybits/136 in the playground
Address
1UDHPdovvR985NrWSkdWQDEQ1xuRiTALq

hash160 05257be4b57ee43fc09762d5d3a9ad4a6e1a0364

Balance
asking the explorer

Key

range · 136 bits
0x8000000000000000000000000000000000 to 0xffffffffffffffffffffffffffffffffff

Transactions

  1. funding2015-01-150.136 BTC08389f34c9…a6cd15
  2. increase2017-07-111.224 BTC5d45587cfd…384164
  3. increase2023-04-1612.24 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).