Solved
Bitcoin puzzle #10
Bitcoin puzzle #10 has been solved. Its private key is 202. The address originally held 0.01 BTC, which was swept by whoever found the key first.
Puzzle #10 at a glance
- Total received
- 0.01012795 BTC
- Balance now
- 0.0 BTC
- Address
- 1LeBZP5QCwwgXRtmVUvTVrraqPUokyLHqe
- HASH160
- d7729816650e581d7462d52ad6f732da0e2ec93b
- Range start
- 200
- Range end
- 3ff
- Bit length
- 10-bit
- Keys in range
- 512 (512)
- Transactions
- 4
The solved key
- Private key
- 202
- Decimal
- 514
- WIF
- KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFUBTL67V6dE
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 #10 — common questions
How many private keys does Bitcoin puzzle #10 contain?
Puzzle #10 spans the range 2^9 to 2^10−1, which is exactly 512 private keys — twice as many as puzzle #9.
How long would it take to solve Bitcoin puzzle #10?
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 #10 worth?
The address was swept when it was solved, so there is no claimable reward now. It originally received 0.01012795 BTC.
Is Bitcoin puzzle #10 solved?
Yes. Its private key is 202 in hexadecimal, or KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFUBTL67V6dE in WIF format. The balance was spent once the key became known.
What is the key range for puzzle #10?
From 200 to 3ff in hexadecimal. The address is 1LeBZP5QCwwgXRtmVUvTVrraqPUokyLHqe and its HASH160 is d7729816650e581d7462d52ad6f732da0e2ec93b.