Digital currency is a form of currency that exists in electronic form. Digital currency was created on a blockchain technology, blockchain is an irreversible record of transactions,which cannot be deleted,changed or destroyed. Blockchain is an immutable digital ledger that enables secure transactions across peer to peer network. Every transaction is recorded, then stored in a block on the blockchain. In the year 2009 blockchain was used in creation of Bitcoin. Bitcoin is a cryptocurrency which is built on the basis of block technology. Today we have so many digital Cryptocurrencies built on different b lockchain network,to serve for different purporses. Read more