IDcollectionsBitcoin puzzle transaction
bits/71
Open since 2015-01-15, the key somewhere in 71 bits. 7.1019168 BTC on Bitcoin.
Puzzle / bits
71
bitcoinp2pkh unsolved
Record
puzzle({
chain: "bitcoin",
address: "1PWo3JeB9jrG…s7fsVzXU",
key: bits(71),
})- Prize
- 7.1019168 BTC
- Key material
- 71-bit search width
- Verification
- unverifiable
- Solved
- not yet
tx 69
- Trail
- Explorerblockstream.info
- Sourcebitcointalk.org/index.php?topic=5218972
- Trybits/71 in the playground
- Address
- 1PWo3JeB9jrGwfHDNpdGK54CRas7fsVzXU
hash160 f6f5431d25bbf7b12e8add9af5e3475c44a0a5b8
Balance
asking the explorer
Key
- range · 71 bits
- 0x400000000000000000 to 0x7fffffffffffffffff
Transactions
- funding2015-01-150.071 BTC08389f34c9…a6cd15
- increase2017-07-110.639 BTC5d45587cfd…384164
- increase2023-04-166.39 BTC12f34b58b0…8d13b3
- increase2023-09-250.0000377 BTC5863063e1f…50d610
- increase2025-01-280.000006 BTC8c75b040d6…7dc0b7
- increase2025-05-030.00001 BTCb30914607f…63245e
- increase2025-05-190.00000001 BTC076d820e31…dec3b9
- increase2025-05-210.0000888 BTCe29e1a2200…9e90cc
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