Solved
Bitcoin puzzle #11
Bitcoin puzzle #11 has been solved. Its private key is 483. The address originally held 0.01 BTC, which was swept by whoever found the key first.
Puzzle #11 at a glance
- Total received
- 0.011 BTC
- Balance now
- 0.0 BTC
- Address
- 1PgQVLmst3Z314JrQn5TNiys8Hc38TcXJu
- HASH160
- f8c698da3164ef8fa4258692d118cc9a902c5acc
- Range start
- 400
- Range end
- 7ff
- Bit length
- 11-bit
- Keys in range
- 1,024 (1024)
- Transactions
- 2
The solved key
- Private key
- 483
- Decimal
- 1155
- WIF
- KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFUGxXgtm63M
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 #11 — common questions
How many private keys does Bitcoin puzzle #11 contain?
Puzzle #11 spans the range 2^10 to 2^11−1, which is exactly 1,024 private keys — twice as many as puzzle #10.
How long would it take to solve Bitcoin puzzle #11?
An eight-core machine running this browser solver at four million keys per second would need about < 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 #11 worth?
The address was swept when it was solved, so there is no claimable reward now. It originally received 0.011 BTC.
Is Bitcoin puzzle #11 solved?
Yes. Its private key is 483 in hexadecimal, or KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFUGxXgtm63M in WIF format. The balance was spent once the key became known.
What is the key range for puzzle #11?
From 400 to 7ff in hexadecimal. The address is 1PgQVLmst3Z314JrQn5TNiys8Hc38TcXJu and its HASH160 is f8c698da3164ef8fa4258692d118cc9a902c5acc.