Blockchain is widely used for money related transaction and still there are many proven usecases across different industries like Retail in stock checks and order management, Manufacturing in good movement processing, Health care in patient database management to name a few. With this in mind, it is always important to understand the merits and demerits of both Public and Private Blockchain to understand their capabilities and limitations to decide which one is more suitable for an industry specific usecase implementation. In a Cloud based platform, data security plays a crucial role to cater to data protection and regulatory requirements and Blockchain can play an important role in this for accelerated workflow by providing ‘data security’ as a service capability.