IDcollectionsBitcoin puzzle transaction
bits/78
Open since 2015-01-15, the key somewhere in 78 bits. 7.8 BTC on Bitcoin.
Puzzle / bits
78
bitcoinp2pkh unsolved
Record
puzzle({
chain: "bitcoin",
address: "15qF6X51huDj…cj46Jmhb",
key: bits(78),
})- Prize
- 7.8 BTC
- Key material
- 78-bit search width
- Verification
- unverifiable
- Solved
- not yet
tx 3
- Trail
- Explorerblockstream.info
- Sourcebitcointalk.org/index.php?topic=5218972
- Trybits/78 in the playground
- Address
- 15qF6X51huDjqTmF9BJgxXdt1xcj46Jmhb
hash160 35003c3ef8759c92092f8488fca59a042859018c
Balance
asking the explorer
Key
- range · 78 bits
- 0x20000000000000000000 to 0x3fffffffffffffffffff
Transactions
- funding2015-01-150.078 BTC08389f34c9…a6cd15
- increase2017-07-110.702 BTC5d45587cfd…384164
- increase2023-04-167.02 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