What is Block chain ? In simple words if you ask ,I would say , " Block chain is decentralized database with strong consistency support. " or A decentralized computation and information sharing platform that enables multiple authoritative domain,who don't trust each other , to cooperate, coordinate and collaborate in rational decision making process. So blockchain broadly you can think of it as a decentralized database which helps in cooperation between multiple authoritative domain. So, the technology is particularly useful when multiple parties or individual they want to cooperate it with each other, and they want to come to a common platform to share the information among themselves. Blockchain is Bitcoing ? No ,Bitcoin is first production release application which was formed on blockchain technology. Please see below video to understand more . How Does it work ? So It begins with someone doing a single or a group of transacti