Yet due to the block chain processing speed can only be used for a chess game, similar to a chess game start shuffling, can use a reshuffle its many times to realize the true sense of fair reshuffle process, process if the player 1 shuffling shuffling to encrypt the results after the encryption algorithm can be sequentially), 2 received players 1 shuffle result again shuffle encrypted again, the result until all players complete reshuffle encryption, this time, every player involved in the shuffle each have each card shuffling and secret key, and then in the second step, first on the final result of the first round