A blockchainis a decentralized, distributed, and oftentimes public, digital ledger that is used to record transactions across many computers. So that any involved record cannot be altered retroactively, without the alteration of all subsequent blocks. Blockchain use complex and pure mathematical functions to create a secure and definite record of who owns what and Blockchain is revolutionary, its decentralized TRUST. Blockchain has a lot of real world applications from education to banking, insurance, and collection of tax, healthcare, IoT, social interactions, governments, supply chains. This event was organized by Dr. S Kotrappa.