IDcollectionsBitcoin puzzle transaction
bits/72
Open since 2015-01-15, the key somewhere in 72 bits. 7.20014379 BTC on Bitcoin.
Puzzle / bits
72
bitcoinp2pkh unsolved
Record
puzzle({
chain: "bitcoin",
address: "1JTK7s9YVYyw…LshCaRFR",
key: bits(72),
})- Prize
- 7.20014379 BTC
- Key material
- 72-bit search width
- Verification
- unverifiable
- Solved
- not yet
tx 6
- Trail
- Explorerblockstream.info
- Sourcebitcointalk.org/index.php?topic=5218972
- Trybits/72 in the playground
- Address
- 1JTK7s9YVYywfm5XUH7RNhHJH1LshCaRFR
hash160 bf7413e8df4e7a34ce9dc13e2f2648783ec54adb
Balance
asking the explorer
Key
- range · 72 bits
- 0x800000000000000000 to 0xffffffffffffffffff
Transactions
- funding2015-01-150.072 BTC08389f34c9…a6cd15
- increase2017-07-110.648 BTC5d45587cfd…384164
- increase2023-04-166.48 BTC12f34b58b0…8d13b3
- increase2023-09-250.00003779 BTC7d7dc5027a…21ae93
- increase2025-01-280.000006 BTCcaa959d2e4…d08631
- increase2025-08-060.0001 BTC4b7c35b7ca…15e030
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