It is a Chinese mining group that provides services only for Bitcoin and Ethereum, with fast payments of only 24 hours. The halving of 12.5 BTC to 6.25 BTC per block rewards and the contraction of hash from 4000 petahashes per second to only 200 petahashes per second in its last months in addition to the crisis caused by the Covid-19 pandemic are some of the Reasons why they announced the closure of activities, although reports reveal that it jumped to Altacoin mining, we should expect it to happen in the future.