IDcollectionsBitcoin puzzle transaction
bits/74
Open since 2015-01-15, the key somewhere in 74 bits. 7.40004977 BTC on Bitcoin.
Puzzle / bits
74
bitcoinp2pkh unsolved
Record
puzzle({
chain: "bitcoin",
address: "1FWGcVDK3JGz…MaK2Jksv",
key: bits(74),
})- Prize
- 7.40004977 BTC
- Key material
- 74-bit search width
- Verification
- unverifiable
- Solved
- not yet
tx 6
- Trail
- Explorerblockstream.info
- Sourcebitcointalk.org/index.php?topic=5218972
- Trybits/74 in the playground
- Address
- 1FWGcVDK3JGzCC3WtkYetULPszMaK2Jksv
hash160 9f1adb20baeacc38b3f49f3df6906a0e48f2df3d
Balance
asking the explorer
Key
- range · 74 bits
- 0x2000000000000000000 to 0x3ffffffffffffffffff
Transactions
- funding2015-01-150.074 BTC08389f34c9…a6cd15
- increase2017-07-110.666 BTC5d45587cfd…384164
- increase2023-04-166.66 BTC12f34b58b0…8d13b3
- increase2023-09-250.00003777 BTC49548037c2…7d89eb
- increase2025-01-280.000006 BTC480f8e96b4…6f06e8
- increase2025-02-100.000006 BTC89993b4ff0…a472e6
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