Solved
Bitcoin puzzle #100
Bitcoin puzzle #100 has been solved. Its private key is af55fc59c335c8ec67ed24826. The address originally held 1.00 BTC, which was swept by whoever found the key first.
Puzzle #100 at a glance
- Total received
- 1.00071026 BTC
- Balance now
- 0.0 BTC
- Address
- 1KCgMv8fo2TPBpddVi9jqmMmcne9uSNJ5F
- HASH160
- c7a7b23f6bd98b8aaf527beb724dda9460b1bc6e
- Range start
- 8000000000000000000000000
- Range end
- fffffffffffffffffffffffff
- Bit length
- 100-bit
- Keys in range
- 6.33 × 1029 (633825300114114700748351602688)
- Transactions
- 9
The solved key
- Private key
- af55fc59c335c8ec67ed24826
- Decimal
- 868221233689326498340379183142
- WIF
- KwDiBf89QgGbjEhKnhXJuH7LrciWJvjTPYdp4sSLwstc63avmfRA
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 #100 — common questions
How many private keys does Bitcoin puzzle #100 contain?
Puzzle #100 spans the range 2^99 to 2^100−1, which is exactly 6.33 × 10^29 private keys — twice as many as puzzle #99.
How long would it take to solve Bitcoin puzzle #100?
An eight-core machine running this browser solver at four million keys per second would need about 5.02 × 10^15 years to sweep the whole range. A pooled GPU cluster reaching one trillion keys per second would need about 20.1 billion years.
How much is Bitcoin puzzle #100 worth?
The address was swept when it was solved, so there is no claimable reward now. It originally received 1.00071026 BTC.
Is Bitcoin puzzle #100 solved?
Yes. Its private key is af55fc59c335c8ec67ed24826 in hexadecimal, or KwDiBf89QgGbjEhKnhXJuH7LrciWJvjTPYdp4sSLwstc63avmfRA in WIF format. The balance was spent once the key became known.
What is the key range for puzzle #100?
From 8000000000000000000000000 to fffffffffffffffffffffffff in hexadecimal. The address is 1KCgMv8fo2TPBpddVi9jqmMmcne9uSNJ5F and its HASH160 is c7a7b23f6bd98b8aaf527beb724dda9460b1bc6e.