Solana devnet · Record

5 rounds reduced rounds

Find a preimage for round-reduced Keccak, the shape of the Crunchy Contest.

Scheduled
Prize
Record level, no prize
Estimated cost
From published attacks
Opens
At launch
Commitments
0

The instance

Derived from the hash of a slot committed when the level opens. Anyone can recompute every value below from the spec and the chain.

Level id
0xf93f63ccbe6e074b721a064a08ca5dad0ed378fb70dd80511315e4e00af774ac
Seed
not yet sealed
Function
Keccak[r=1440, c=160], 5 rounds, 80-bit output
Target bits t
80

Claim

Solved it? Check the answer here, then commit and reveal. The reference solver and the spec are in the method notes. How to solve

This level is not open yet.

Claims open when the level is sealed from its committed slot. You will commit and reveal with any Solana wallet.