Digital currencies are virtual currencies based on blockchain technology. It aims to enable direct peer-to-peer transactions without intermediaries whether a person or an institution.

Bitcoin mining reduces rewards for miners, and can affect the profitability of mining it. Digital currencies are protected by encryption, but this will not prevent them from being exposed to many risks, especially with the amazing development of artificial intelligence technologies. The field also suffers from the risk of fraud and untrusted parties creating digital platforms that collect investments from individuals and then closed.