IDcollectionsBitcoin puzzle transaction

bits/221

Swept on an unknown date by someone other than a solver. 0.221 BTC on Bitcoin.

IDbits/221221 / 2562015-01-15
Puzzle / bits

221

bitcoinp2pkh swept

Record

puzzle({
  chain: "bitcoin",
  address: "1NxgWntAdMug…jxKPxcDF",
  status: Status.Swept,
  key: bits(221),
})
Prize
0.221 BTC
Key material
221-bit search width
Verification
unverifiable
Solved
unknown
tx 2
Trail
Explorerblockstream.info
Sourcebitcointalk.org/index.php?topic=5218972
Trybits/221 in the playground
Address
1NxgWntAdMugSNFHEXYizYwk3UjxKPxcDF

hash160 f0e280f15876be99ab63c8aaa4f934f777ed369b

Balance
asking the explorer

Key

public key · compressed
028a874fe6f1ab00358d0b610d536fd67f049c98069eeb35585549250ef9fff4c5
range · 221 bits
0x10000000000000000000000000000000000000000000000000000000 to 0x1fffffffffffffffffffffffffffffffffffffffffffffffffffffff

Transactions

  1. funding2015-01-150.221 BTC08389f34c9…a6cd15
  2. sweep2017-07-110.221 BTC5d45587cfd…384164

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).