So what are all of the different moving parts of the Ethereum blockchain? What are uncles, how do contracts call other contracts, who runs them? What is the role of proof of work and proof of stake, and what exactly is gas? What will EIP86 do for you? Vitalik Buterin provides a 25-minute technical overview of the ethereum blockchain, start to finish, and explain many of these concepts in detail.
![A history of bitcoin and cryptocurrency’s most illuminating moments [infographic]](https://ohiobitcoin.com/wp-content/uploads/2019/03/Do0FcL.png "A history of bitcoin and cryptocurrency’s most illuminating moments [infographic]")