All the centralized transaction (central database) needs to be verified by a trusted third party organization. A digital currency also known as a peer-to-peer electronic cash would allow online payments and transactions to be directly sent from one party to another without going through a financial institution. The peer-to-peer electronic cash is possible due to the help of blockchain nodes. Blockchain is the core technology behind Bitcoin and other cryptocurrencies that has drawn a lot of attention over the past few years and even in the present global market scenario. It is a distributed database that allows direct transaction between two parties (senders and receivers) without the need of any central authority. It can act a constructive technology and also as a disruptive technology. Wallet generation is a system to give an overview of how the blockchain works and as a medium bitcoins are used to describe the concept of blockchain nodes