Solved
Bitcoin puzzle #46
Bitcoin puzzle #46 has been solved. Its private key is 2ec18388d544. The address originally held 0.05 BTC, which was swept by whoever found the key first.
Puzzle #46 at a glance
- Total received
- 0.046 BTC
- Balance now
- 0.0 BTC
- Address
- 1F3JRMWudBaj48EhwcHDdpeuy2jwACNxjP
- HASH160
- 9a012260d01c5113df66c8a8438c9f7a1e3d5dac
- Range start
- 200000000000
- Range end
- 3fffffffffff
- Bit length
- 46-bit
- Keys in range
- 35,184,372,088,832 (35184372088832)
- Transactions
- 2
The solved key
- Private key
- 2ec18388d544
- Decimal
- 51408670348612
- WIF
- KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgdLwb42sQhwTBJDnG
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 #46 — common questions
How many private keys does Bitcoin puzzle #46 contain?
Puzzle #46 spans the range 2^45 to 2^46−1, which is exactly 35,184,372,088,832 private keys — twice as many as puzzle #45.
How long would it take to solve Bitcoin puzzle #46?
An eight-core machine running this browser solver at four million keys per second would need about 102 days to sweep the whole range. A pooled GPU cluster reaching one trillion keys per second would need about 35.2 seconds.
How much is Bitcoin puzzle #46 worth?
The address was swept when it was solved, so there is no claimable reward now. It originally received 0.046 BTC.
Is Bitcoin puzzle #46 solved?
Yes. Its private key is 2ec18388d544 in hexadecimal, or KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgdLwb42sQhwTBJDnG in WIF format. The balance was spent once the key became known.
What is the key range for puzzle #46?
From 200000000000 to 3fffffffffff in hexadecimal. The address is 1F3JRMWudBaj48EhwcHDdpeuy2jwACNxjP and its HASH160 is 9a012260d01c5113df66c8a8438c9f7a1e3d5dac.