EP. 9: Smart contracts - What are they? The cat example & The Machine to Machine economy

The blockchain also allows the use of so-called smart contracts; "Smart contracts”, which are closed independently of elaborate third parties such as notaries and still ensure legal certainty. But what are smart contracts and how do they work? Why can Dennis explain it via a cat, a bell and cat candy? What will smart contracts do for our future - and what role will they play in the future machine to machine economy?