Blockchain innovation has drawn consideration as a famous money related innovation that totally changes the business exchanges because of its security that suits the information period. It's a decentralized system that underpins and utilizes a spread of cryptography models. Blockchain guarantees security on the possibility of the encryption, verification of friendsthat share virtual money, and furthermore the age of hash esteem. An undeniable record of each single exchange at any point made is contained in blockchain. This flexible and powerful made sure about exchange is being incorporated with distributed computing, another critical registering model. In this paper, we talk about the idea of blockchain innovation and put forth an attempt to audit the apparatus of blockchain security in distributed computing.

Keywords : Blockchain; Computer Security; Bitcoin; Authentication; Cloud Computing.