It is no doubt the invention of cryptocurrency mainly being bitcoing and allied altcoins based on blockchain technology has started disrupting every sphere of life. Crypto blockchain is what i beleive are analogous to DNA . As DNA gets transmitted from one gen to another , blockchains has blocks.
The basic hack of blockchain is transaction. Glance any transaction and you can remodel the entire business around the blockchain concept with great advantage of hash based security and robust transaction flow.