The third session in this serires is focused on Cryptocurrency Practicals and Future of Cryptocurrencies. Operationally, cryptocurrencies include many stakeholders. In this session we will talk about problems, debates, and rewards of mining, and how code forks are handled. The session will cover the scalability debates and recent developments in Bitcoin, because Bitcoin is a great bellweather for rest of the cryptocurrencies. Moving forward, cryptocurrencies will do much more than transact, and the session will briefly introduce you to Bitcoin Script and Ethereum Smart Contracts. Finally we will cover the issue of privacy and how it is being handled in different cryptocurrencies.