IDcollectionsBitcoin puzzle transaction
bits/87
Open since 2015-01-15, the key somewhere in 87 bits. 8.7 BTC on Bitcoin.
Puzzle / bits
87
bitcoinp2pkh unsolved
Record
puzzle({
chain: "bitcoin",
address: "1PxH3K1Shdjb…H4qGPrvq",
key: bits(87),
})- Prize
- 8.7 BTC
- Key material
- 87-bit search width
- Verification
- unverifiable
- Solved
- not yet
tx 3
- Trail
- Explorerblockstream.info
- Sourcebitcointalk.org/index.php?topic=5218972
- Trybits/87 in the playground
- Address
- 1PxH3K1Shdjb7gSEoTX7UPDZ6SH4qGPrvq
hash160 fbc708d671c03e26661b9c08f77598a529858b5e
Balance
asking the explorer
Key
- range · 87 bits
- 0x4000000000000000000000 to 0x7fffffffffffffffffffff
Transactions
- funding2015-01-150.087 BTC08389f34c9…a6cd15
- increase2017-07-110.783 BTC5d45587cfd…384164
- increase2023-04-167.83 BTC12f34b58b0…8d13b3
Techniques
- masked-key-rangecollectionbitcointalk.org/index.php?topic=1306983.msg18765941
Hints
- 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).
Sourcebitcointalk.org/index.php?topic=1306983.msg18765941Confirmweb.archive.org