Slushpool is the first Chinese group of crypto coin miners to attract attention as the first mined block was in 2010 and currently one miner has a 1.2 million btc block. This group is ranked at number 7 of the btc mining groups in being the most powerful, there are more than 30,000 blocks in this chain. The payment system is known as score, which gives rewards to miners who remain faithful to the pool in which they work. The first actions a user takes is the minimum, but increases according to the time with which the miner operates with the group. For that same reason those who mine is slushPool keep exploiting the same place, generating more profits.