CSEIT1953130| Received : 16 May 2019| Accepted :15June2019 |May-June-2019[ 5 (3) : 441-451] International Journal of Scientific Research in Computer Science, Engineering and Information Technology © 2019 IJSRCSEIT | Volume 5 | Issue 3| ISSN : 2456-3307 DOI : https://doi.org/10.32628/CSEIT1953130 441 Application of Bitcoin in Blockchain - A Systematic Literature Review Abhishek Jha, Dr. B.Indira Reddy Department of Information Technology, Sreenidhi Institute ofScience and Technology, Hyderabad, Telangana, India ABSTRACT Bitcoin is a Cryptocurrency which is evolving in digital world and gaining a larger marketrelated to digital currency and stands on all the user expectation of decentralize mechanism of system by providing proof of work in peer-to-peer network with the help of Blockchain. In this paper I have done a literature review on Blockchain technology and its application in Bitcoin. Keywords :Bitcoin, Cryptocurrency, Blockchain, Merkle Tree, Smart Contracts, Consensus, Internet of Things (IOT). I. INTRODUCTION What is Cryptocurrency? Cryptocurrency is also known as digital data in which transaction can be done in online platform. It is a secure platform to do the transaction as it isencrypted and verifiable. In this only authorize person can access the database to update, retrieve and delete the entries in the database. History of Cryptocurrency: Early in 90’s there are various attempts to develop electronic currency the Systems like Flooz, Beenz and DigiCash evolving in the digital currency market but doesn’t meet to the reality and gets not successful result because various cause such as money scam related to financial issues thisgives thedissatisfaction among the employees on their bosses in the company. Previously the people depend on trusted third party to do the work after sometimes the demand of decentralization of data come to an era where company demands to do the work in a decentralization platform the concept of digital cash system introduced into the current market. What is Bitcoin? Bitcoin is introduced in 2009 an unidentified programmer or a group of expert or skillful people an assumed name called Satoshi Nakamoto developed by them. It follows a peer to peer digital cash system where whole work is performed in decentralization manner there are no central controller authority and servers, this concept shows the peer to peer network sharing of file. The Bitcoins solve various types of problems while doing payment through network that is two time spending the money. The decentralized platform provides the network like Bitcoin every single person who is participated in that particular network has to keep the record of balances and transaction of each participant needs to do this work. The concept of Blockchain has the capability to perform this task, it has a public ledger which helps in identifying the transaction happened within the network, available to everyone and this is the reason every person which isin the network can see their account details. The single transaction is a file structure that contains of sender’s and recipients public keys in the form of wallet address and amount of coins which is