Solved
Bitcoin puzzle #17
Bitcoin puzzle #17 has been solved. Its private key is 1764f. The address originally held 0.02 BTC, which was swept by whoever found the key first.
Puzzle #17 at a glance
- Total received
- 0.017 BTC
- Balance now
- 0.0 BTC
- Address
- 1HduPEXZRdG26SUT5Yk83mLkPyjnZuJ7Bm
- HASH160
- b67cb6edeabc0c8b927c9ea327628e7aa63e2d52
- Range start
- 10000
- Range end
- 1ffff
- Bit length
- 17-bit
- Keys in range
- 65,536 (65536)
- Transactions
- 2
The solved key
- Private key
- 1764f
- Decimal
- 95823
- WIF
- KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFiHkRsp99uC
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 #17 — common questions
How many private keys does Bitcoin puzzle #17 contain?
Puzzle #17 spans the range 2^16 to 2^17−1, which is exactly 65,536 private keys — twice as many as puzzle #16.
How long would it take to solve Bitcoin puzzle #17?
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 #17 worth?
The address was swept when it was solved, so there is no claimable reward now. It originally received 0.017 BTC.
Is Bitcoin puzzle #17 solved?
Yes. Its private key is 1764f in hexadecimal, or KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFiHkRsp99uC in WIF format. The balance was spent once the key became known.
What is the key range for puzzle #17?
From 10000 to 1ffff in hexadecimal. The address is 1HduPEXZRdG26SUT5Yk83mLkPyjnZuJ7Bm and its HASH160 is b67cb6edeabc0c8b927c9ea327628e7aa63e2d52.