Solved
Bitcoin puzzle #115
Bitcoin puzzle #115 has been solved. Its private key is 60f4d11574f5deee49961d9609ac6. The address originally held 1.15 BTC, which was swept by whoever found the key first.
Puzzle #115 at a glance
- Total received
- 1.15014 BTC
- Balance now
- 0.0 BTC
- Address
- 1NLbHuJebVwUZ1XqDjsAyfTRUPwDQbemfv
- HASH160
- ea0f2b7576bd098921fce9bfebe37f6383e639a4
- Range start
- 40000000000000000000000000000
- Range end
- 7ffffffffffffffffffffffffffff
- Bit length
- 115-bit
- Keys in range
- 2.07 × 1034 (20769187434139310514121985316880384)
- Transactions
- 9
The solved key
- Private key
- 60f4d11574f5deee49961d9609ac6
- Decimal
- 31464123230573852164273674364426950
- WIF
- KwDiBf89QgGbjEhKnhXJuH7LrhcVkatbczm7Y9ZaB56U1jLNU2Xh
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 #115 — common questions
How many private keys does Bitcoin puzzle #115 contain?
Puzzle #115 spans the range 2^114 to 2^115−1, which is exactly 2.07 × 10^34 private keys — twice as many as puzzle #114.
How long would it take to solve Bitcoin puzzle #115?
An eight-core machine running this browser solver at four million keys per second would need about 1.64 × 10^20 years to sweep the whole range. A pooled GPU cluster reaching one trillion keys per second would need about 6.58e+5 billion years.
How much is Bitcoin puzzle #115 worth?
The address was swept when it was solved, so there is no claimable reward now. It originally received 1.15014 BTC.
Is Bitcoin puzzle #115 solved?
Yes. Its private key is 60f4d11574f5deee49961d9609ac6 in hexadecimal, or KwDiBf89QgGbjEhKnhXJuH7LrhcVkatbczm7Y9ZaB56U1jLNU2Xh in WIF format. The balance was spent once the key became known.
What is the key range for puzzle #115?
From 40000000000000000000000000000 to 7ffffffffffffffffffffffffffff in hexadecimal. The address is 1NLbHuJebVwUZ1XqDjsAyfTRUPwDQbemfv and its HASH160 is ea0f2b7576bd098921fce9bfebe37f6383e639a4.