Solved
Bitcoin puzzle #95
Bitcoin puzzle #95 has been solved. Its private key is 527a792b183c7f64a0e8b1f4. The address originally held 0.95 BTC, which was swept by whoever found the key first.
Puzzle #95 at a glance
- Total received
- 0.95002 BTC
- Balance now
- 0.0 BTC
- Address
- 19eVSDuizydXxhohGh8Ki9WY9KsHdSwoQC
- HASH160
- 5ed822125365274262191d2b77e88d436dd56d88
- Range start
- 400000000000000000000000
- Range end
- 7fffffffffffffffffffffff
- Bit length
- 95-bit
- Keys in range
- 1.98 × 1028 (19807040628566084398385987584)
- Transactions
- 7
The solved key
- Private key
- 527a792b183c7f64a0e8b1f4
- Decimal
- 25525831956644113617013748212
- WIF
- KwDiBf89QgGbjEhKnhXJuH7LrciVsLfMYB8ydZ3QXMqEra1sapfT
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 #95 — common questions
How many private keys does Bitcoin puzzle #95 contain?
Puzzle #95 spans the range 2^94 to 2^95−1, which is exactly 1.98 × 10^28 private keys — twice as many as puzzle #94.
How long would it take to solve Bitcoin puzzle #95?
An eight-core machine running this browser solver at four million keys per second would need about 1.57e+5 billion years to sweep the whole range. A pooled GPU cluster reaching one trillion keys per second would need about 628 million years.
How much is Bitcoin puzzle #95 worth?
The address was swept when it was solved, so there is no claimable reward now. It originally received 0.95002 BTC.
Is Bitcoin puzzle #95 solved?
Yes. Its private key is 527a792b183c7f64a0e8b1f4 in hexadecimal, or KwDiBf89QgGbjEhKnhXJuH7LrciVsLfMYB8ydZ3QXMqEra1sapfT in WIF format. The balance was spent once the key became known.
What is the key range for puzzle #95?
From 400000000000000000000000 to 7fffffffffffffffffffffff in hexadecimal. The address is 19eVSDuizydXxhohGh8Ki9WY9KsHdSwoQC and its HASH160 is 5ed822125365274262191d2b77e88d436dd56d88.