Blockchain - Introduction
 Following gives a simple layman definition of Blockchain   A shared ledger (record of collection of  transactions). It contains all transaction taken place since beginning and are publicly accessible to everyone.  Stored on a distributed environment using the peer-to-peer technologies  Blockchain network ensure that multiple nodes can securely communicates with each other  Whoever opt to participate in the blockchain network will have a copy complete ledger / blockchain   There are many blockchain available which share some common properties but works in a different way however the first and the most prominent blockchain is Bitcoin.   Understanding bitcoin is recommended to understand basic concept of blockchain. By learning underlying technology of bitcoin, we can learn of how blockchain technology works and it can allow us to understand other blockchain technologies.     Following details the high level concept of Bitcoin blockchain.     A Bitcoin blockchain is the ledger o...