Vitalik Buterin, the 23 old co-founder of Ethereum talks on blockchain and ethereum.
1) Ethereum in 25 Minutes - Devcon2
2) The Cryptoeconomic way - TheBlockchain.NZ Conference
3) Understanding the Ethereum Blockchain Protocol - DEVCON1
4) Ethereum - Texas Bitcoin Conference
5) DAO Lessons, Casper and Blockchain Interoperability - Interview with Epicenter
