IDcollectionsBitcoin puzzle transaction

bits/138

Open since 2015-01-15, the key somewhere in 138 bits. 13.8 BTC on Bitcoin.

IDbits/138138 / 2562015-01-15
Puzzle / bits

138

bitcoinp2pkh unsolved

Record

puzzle({
  chain: "bitcoin",
  address: "1Ab4vzG6wEQB…XXdFk2WT",
  key: bits(138),
})
Prize
13.8 BTC
Key material
138-bit search width
Verification
unverifiable
Solved
not yet
tx 3
Trail
Explorerblockstream.info
Sourcebitcointalk.org/index.php?topic=5218972
Trybits/138 in the playground
Address
1Ab4vzG6wEQBDNQM1B2bvUz4fqXXdFk2WT

hash160 692a8e583866fc9056f5c61a45969fb9d868a08c

Balance
asking the explorer

Key

range · 138 bits
0x20000000000000000000000000000000000 to 0x3ffffffffffffffffffffffffffffffffff

Transactions

  1. funding2015-01-150.138 BTC08389f34c9…a6cd15
  2. increase2017-07-111.242 BTC5d45587cfd…384164
  3. increase2023-04-1612.42 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).