What is Quantum Technologies

Blockchain has now become blockchain technology, and this is the record of data that are encrypted, and here distributed database is required for the purpose of transaction, contract, and independent record. It is therefore a digital ledger and can be reachable in different platforms for different financial activities and services. It is supported by healthy digital currency systems like bitcoin transactions and does not depend on any third party systems. Blockchain supports the multiple numbers of shared copies, and it works in a same database. Very recently blockchain was considered as an important subfield of information technology. It is therefore treated as a tool, technique, as well as procedure for financial management. This chapter is based on existing literature on blockchain with basics and special focus on the issues and limitations. This chapter highlights the scenario of blockchain technology in India with opportunities, companies, and scenario of manpower availability and potentiality.