What Is Blockchain

Blockchain is one of the fastest growing technologies of year 2017. Blockchain has the potential to change the way we’ve been doing transactions for years. 
By definition:
Blockchain is a technology to create and maintain cryptographically secure, shared, and distributed ledger (a database) for transactions. Blockchain brings trust, accountability, and transparency to digital transactions.
The following video explains blockchain in simple terms.
Still confused?
Blockchain is a bunch of computers connected to one another creating, storing, and verifying digital transactions. The process of creating, storing, and verifying is highly secured, private, and fast.
Here is another video that explains blockchain, transactions, and its usefulness.
Blockchain Applications
Blockchain technology can be applied to any industry where transactions are involved. Crypto currency (digital currency) is one of the first industries to embrace blockchain. The most popular application of blockchain is cryptocurrency, Bitcoin. As a matter of fact, Bitcoin has become the face of blockchain. 
Read next article > What is Bitcoin