Solved
Bitcoin puzzle #30
Bitcoin puzzle #30 has been solved. Its private key is 3d94cd64. The address originally held 0.03 BTC, which was swept by whoever found the key first.
Puzzle #30 at a glance
- Total received
- 0.0303 BTC
- Balance now
- 0.0 BTC
- Address
- 1LHtnpd8nU5VHEMkG2TMYYNUjjLc992bps
- HASH160
- d39c4704664e1deb76c9331e637564c257d68a08
- Range start
- 20000000
- Range end
- 3fffffff
- Bit length
- 30-bit
- Keys in range
- 536,870,912 (536870912)
- Transactions
- 4
The solved key
- Private key
- 3d94cd64
- Decimal
- 1033162084
- WIF
- KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M8diLSC5MyERoW
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 #30 — common questions
How many private keys does Bitcoin puzzle #30 contain?
Puzzle #30 spans the range 2^29 to 2^30−1, which is exactly 536,870,912 private keys — twice as many as puzzle #29.
How long would it take to solve Bitcoin puzzle #30?
An eight-core machine running this browser solver at four million keys per second would need about 2 minutes 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 #30 worth?
The address was swept when it was solved, so there is no claimable reward now. It originally received 0.0303 BTC.
Is Bitcoin puzzle #30 solved?
Yes. Its private key is 3d94cd64 in hexadecimal, or KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M8diLSC5MyERoW in WIF format. The balance was spent once the key became known.
What is the key range for puzzle #30?
From 20000000 to 3fffffff in hexadecimal. The address is 1LHtnpd8nU5VHEMkG2TMYYNUjjLc992bps and its HASH160 is d39c4704664e1deb76c9331e637564c257d68a08.