Solved
Bitcoin puzzle #60
Bitcoin puzzle #60 has been solved. Its private key is fc07a1825367bbe. The address originally held 0.60 BTC, which was swept by whoever found the key first.
Puzzle #60 at a glance
- Total received
- 0.600015 BTC
- Balance now
- 0.0 BTC
- Address
- 1Kn5h2qpgw9mWE5jKpk8PP4qvvJ1QVy8su
- HASH160
- cdf8e5c7503a9d22642e3ecfc87817672787b9c5
- Range start
- 800000000000000
- Range end
- fffffffffffffff
- Bit length
- 60-bit
- Keys in range
- 5.76 × 1017 (576460752303423488)
- Transactions
- 5
The solved key
- Private key
- fc07a1825367bbe
- Decimal
- 1135041350219496382
- WIF
- KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYkzijLsc5qE43yZ5eLV
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 #60 — common questions
How many private keys does Bitcoin puzzle #60 contain?
Puzzle #60 spans the range 2^59 to 2^60−1, which is exactly 5.76 × 10^17 private keys — twice as many as puzzle #59.
How long would it take to solve Bitcoin puzzle #60?
An eight-core machine running this browser solver at four million keys per second would need about 4,567 years to sweep the whole range. A pooled GPU cluster reaching one trillion keys per second would need about 7 days.
How much is Bitcoin puzzle #60 worth?
The address was swept when it was solved, so there is no claimable reward now. It originally received 0.600015 BTC.
Is Bitcoin puzzle #60 solved?
Yes. Its private key is fc07a1825367bbe in hexadecimal, or KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYkzijLsc5qE43yZ5eLV in WIF format. The balance was spent once the key became known.
What is the key range for puzzle #60?
From 800000000000000 to fffffffffffffff in hexadecimal. The address is 1Kn5h2qpgw9mWE5jKpk8PP4qvvJ1QVy8su and its HASH160 is cdf8e5c7503a9d22642e3ecfc87817672787b9c5.