IRJET- A Detailed Study on Cryptocurrency (original) (raw)

Cryptocurrency has now emerged as an important asset in financial and business applications. They rely on a secure backbone technology called Blockchain Technology which allows storing all the transactions made in a secure distributed ledger, a data structure which is done by the process called mining. Cryptocurrency lacks a central authority as they were designed as peer-to-peer systems making it largely decentralized. In this paper, we survey various cryptocurrencies and their underlying technology architecture along with different aspects of the challenges and attacks they face.