Solved
Bitcoin puzzle #90
Bitcoin puzzle #90 has been solved. Its private key is 2ce00bb2136a445c71e85bf. The address originally held 0.90 BTC, which was swept by whoever found the key first.
Puzzle #90 at a glance
- Total received
- 0.90001774 BTC
- Balance now
- 0.0 BTC
- Address
- 1L12FHH2FHjvTviyanuiFVfmzCy46RRATU
- HASH160
- d06b6e206691295ec345782d7ea0686969d8674b
- Range start
- 20000000000000000000000
- Range end
- 3ffffffffffffffffffffff
- Bit length
- 90-bit
- Keys in range
- 6.18 × 1026 (618970019642690137449562112)
- Transactions
- 7
The solved key
- Private key
- 2ce00bb2136a445c71e85bf
- Decimal
- 868012190417726402719548863
- WIF
- KwDiBf89QgGbjEhKnhXJuH7LrciVrbEiEhLWVU4Yn1RCfnX51KrT
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 #90 — common questions
How many private keys does Bitcoin puzzle #90 contain?
Puzzle #90 spans the range 2^89 to 2^90−1, which is exactly 6.18 × 10^26 private keys — twice as many as puzzle #89.
How long would it take to solve Bitcoin puzzle #90?
An eight-core machine running this browser solver at four million keys per second would need about 4.90e+3 billion years to sweep the whole range. A pooled GPU cluster reaching one trillion keys per second would need about 19.6 million years.
How much is Bitcoin puzzle #90 worth?
The address was swept when it was solved, so there is no claimable reward now. It originally received 0.90001774 BTC.
Is Bitcoin puzzle #90 solved?
Yes. Its private key is 2ce00bb2136a445c71e85bf in hexadecimal, or KwDiBf89QgGbjEhKnhXJuH7LrciVrbEiEhLWVU4Yn1RCfnX51KrT in WIF format. The balance was spent once the key became known.
What is the key range for puzzle #90?
From 20000000000000000000000 to 3ffffffffffffffffffffff in hexadecimal. The address is 1L12FHH2FHjvTviyanuiFVfmzCy46RRATU and its HASH160 is d06b6e206691295ec345782d7ea0686969d8674b.