Blockchain: Massively Simplified

All that hype about bitcoins and block-chain led me to wonder what am I missing out here.
Ok... so bitcoin is a cryptocurrency (with no practical usage at this point in time but price is inflating like mad balloon??). Then what is blockchain about?





Just wondering - if blockchain one day became hackable, wouldn't that spell hell?

Disclaimer:

The contents of this blog are author's personal opinions and do not constitute advice to hold, buy or sell any securities, commodities or assets. This blog may contain affiliate links to external sites.