The correct option is C Reliance Jio
The Reliance Jio Infocomm Ltd launched its own cryptocurrency "JioCoin". The JioCoin project was headed by Mukesh Ambani's elder son Akash Ambani. The Blockchain is a digital ledger for storing data. In simple terms, blockchain decentralizes information without it being copied. The information is held on blockchain through a shared database which can be accessed on a real-time basis. This database is not stored on physical servers but on the cloud, which makes it easy to store unlimited data.