Digital Currency exists purely in digital form and has no physical form, unlike fiat currency. It relies on a central banking system (centralisation) ; however this makes maintains confidentiality and security difficult
Cryptocurrency is a type of digitalcurrency that overcomes security and confidentiality issues
Cryptocurrency has no state control and transactions are publicly available and can be fully tracked
Cryptocurrency uses cryptography to track transactions, the use of cryptography was introduced to address the security issues with centralised currency
