What is NFT? 

Non-fungible tokens (NFTs) are digital data units stored on a blockchain ledger. Each non-fungible token acts as an authentication certificate, proving that a digital asset is unique and cannot be exchanged. A non-fungible token gives a single person sole ownership of a digital asset. 

What is Blockchain? 

A blockchain is a digital ledger of transactions and a technique of storing data that cannot be hacked, altered, or manipulated. Blockchain duplicates and distributes its digital ledger of transactions over a network of computer systems.