Interested in knowing more about blockchains?
This article at EE Times is a very good article on the state of blockchains and IOT. It is a 3 minute read and well worth the time.
In the article is mentioned a very good introductory demonstration on blockchains which takes about 15 to 20 minutes. If you have no idea what a blockchain is and you are looking for a non-technical explanation, this is a good place to start: https://anders.com/blockchain/