Any company offering free trials, especially if they require payment information, is most likely a scam. In just the last few months, two cloud mining scams were uncovered: HashOcean and Bitcoin Cloud Services. Interest accumulate automatically. Today, when crypto currency is one of the fastest-growing spheres of the investment market, this modern company is involved in financial activities related to Bitcoin mining and further trading. More countries are recognizing cryptocurrencies every day, and blockchain technology is supported at various levels of the financial sector.