With inside the twenty first century due to striking highlights and productive qualities the Blockchain beinga leading technology. Blockchain gives a new talented dispensed era to deal with the demanding situations of statistics standardization, machine interoperability, safety, confidentiality, and an approachability of clinical records. Over last couple of years, the hype and concentration around blockchain expertise have steadily amplified under various working fields. With covering the brief intro of blockchain technology this paper presents the key application, hitches and the recent research of this technology.

Keywords: Blockchain, Crypto-Currency, Healthcare, Distributed Ledger, Privacy.