Overview Casper is the idea of Proof of Stake (POS) in Ethereum. It is being designed by Vlad Zamfir, Vitalik B. and other community members. Vlad came in touch with Ethereum community in September 2014. Ethereum foundation team had wanted to have Proof of Stake (POS) even before the Ethereum network was launched, but because it wasn't designed completely, they started Etherum blockchain with Proof of Work algorithm, keeping POS in the roadmap. Vlad Zamfir...