Then, the deck is reshuffled using the Fisher-Yates shuffle algorithm with the random numbers generated from the Mersenne twister algorithm that was seeded with a hash of the combined server seed and client seed.
Memories are not held in their entirety in the brain like old movie clips, but are maintained as a kind of chemical residue of the original perception, which could be thought of as a hash value or remainder, but not a one-way algorithm at all.