Solved
Bitcoin puzzle #24
Bitcoin puzzle #24 has been solved. Its private key is dc2a04. The address originally held 0.02 BTC, which was swept by whoever found the key first.
Puzzle #24 at a glance
- Total received
- 0.024 BTC
- Balance now
- 0.0 BTC
- Address
- 1rSnXMr63jdCuegJFuidJqWxUPV7AtUf7
- HASH160
- 0959e80121f36aea13b3bad361c15dac26189e2f
- Range start
- 800000
- Range end
- ffffff
- Bit length
- 24-bit
- Keys in range
- 8,388,608 (8388608)
- Transactions
- 2
The solved key
- Private key
- dc2a04
- Decimal
- 14428676
- WIF
- KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rtHyNcFoApRd
Verify it yourself: multiply this key by the secp256k1 generator point, compress the resulting public key, and take RIPEMD-160(SHA-256(·)). You get exactly the HASH160 above. This site performs that check on every published key at build time.
Puzzle #24 — common questions
How many private keys does Bitcoin puzzle #24 contain?
Puzzle #24 spans the range 2^23 to 2^24−1, which is exactly 8,388,608 private keys — twice as many as puzzle #23.
How long would it take to solve Bitcoin puzzle #24?
An eight-core machine running this browser solver at four million keys per second would need about 2.1 seconds to sweep the whole range. A pooled GPU cluster reaching one trillion keys per second would need about < 1 seconds.
How much is Bitcoin puzzle #24 worth?
The address was swept when it was solved, so there is no claimable reward now. It originally received 0.024 BTC.
Is Bitcoin puzzle #24 solved?
Yes. Its private key is dc2a04 in hexadecimal, or KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rtHyNcFoApRd in WIF format. The balance was spent once the key became known.
What is the key range for puzzle #24?
From 800000 to ffffff in hexadecimal. The address is 1rSnXMr63jdCuegJFuidJqWxUPV7AtUf7 and its HASH160 is 0959e80121f36aea13b3bad361c15dac26189e2f.