This video is to explain polygon's side chain to scale Ethereum blockchain. It will use animations, photos, analogies to make it easy to understand polygon POS bridge and Plasma bridge.
The original video in youtube:
Here are some links for people to do more research:
Understanding: Plasma Chains vs. Sidechains:
https://docs.plasma.group/en/latest/src/plasma/sidechains.html
Easy to understand Ethereum Layer 2 scaling solutions: Channels vs Plasma vs Rollups:
https://medium.com/coinmonks/easy-to-understand-ethereum-layer-2-scaling-solutions-channels-vs-plasma-vs-rollups-1dc1d4e9cb52#:~:text=2%20key%20differences%20distinguish%20plasma,the%20participant%20in%20the%20sidechain.
Polygon technology document:
https://docs.polygon.technology/docs/develop/ethereum-polygon/pos/getting-started
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