Welcome to the third session on Block chain. I hope you have more interest now in understanding how to go about designing a block chain solution. now that you have created a wallet and have some crypto currency in it to play with ! In this session we will cover the following topics - 1. Centralized vs Decentralized system 2. Blockchain structure – building block chains 3. Key concepts in blockchain architecture 4. Implementation – Frameworks 5. Block Chain – Technical Challenges In this session we will cover basic elements of a block and how a block chain is created, and how it grows. We will focus on the concept of consensus and its importance for decentralized applications. The architecture of Hyperledger Fabric as an enterprise blochchain product that has many different characteristics compared to Bit coin and Ethereum which are truely decentralized applications. We will cover requirements of business applications that do n...