Cloud mining is rent of mining equipment / hash power. In this case, you do not need to buy expensive mining equipment and do not bear any risks associated with its breakdown. You do not incur additional costs for the hosting and maintenance of equipment, as well as for any malfunction. When you buy a cloud mining contract, you pay a fixed amount for the use of devices located in the ECOS data center. The main advantage of cloud mining is the quick receipt of BTC to your wallet. You do not need to wait for a pre-order of the mining equipment for more than 6 months and pay for it amounts over $ 10,000.