Blockchain can be tough to explain. The game-changing distributed network and immutable ledger technology has the potential to change the foundation of the internet, and underpins everything from cryptocurrencies to smart contracts. So, for all of you who would rather not read thousands upon thousands of words to wrap your head around the subject, watching this five-minute video will get you up to speed.

In it, IBM (one of the leading blockchain-as-a-service tech giants), decentralized application startup Blockstack, and some Lego helpers break down how a blockhain works, why it's important, and how it's being used to revolutionize everything from global food supply chains and conflict diamond tracking to re-defining the internet as we know it.