Understanding of Ethereum 2.0

There are four layman articles from Medium, please read all these articles for your reflection of Ethereum 2.0.

https://medium.com/chainsafe-systems/ethereum-2-0-a-complete-guide-d46d8ac914ce

https://medium.com/chainsafe-systems/ethereum-2-0-a-complete-guide-3739a74be61a

https://medium.com/chainsafe-systems/ethereum-2-0-a-complete-guide-scaling-ethereum-part-two-sharding-902370ac3be

https://medium.com/chainsafe-systems/ethereum-2-0-a-complete-guide-casper-and-the-beacon-chain-be95129fc6c1