Sharding

Decentralized Finance (DeFi) refers to the movement of building decentralized financial applications that have no central authority and is censorship free.

Central data repository of a company or bank

Secondary network or framework built atop an existing blockchain to address transaction speed and scalability issues.

In cryptography, a salt is the additional random input that is added to password or passphrase to make the password hash unique. It prevents from the hashed output password to be cracked so easily by the hacker.