Consensus Methods
Why does it even exist?
Layers
Reference link to learn: https://zebpay.com/blog/what-is-blockchain-layer-0-1-2-and-3#Blockchain_Layers_Explained
Search
Reference link to learn: https://zebpay.com/blog/what-is-blockchain-layer-0-1-2-and-3#Blockchain_Layers_Explained