Blockchain Network Architecture
Blockchain Architecture, Mining, Overview
Hashing Functions Digital Signatures A must Etherium Primer
Proof of Work vs Proof of Stake Perspective 1
Proof of Work vs Proof of Stake Perspective 2
Smart Contract Security and Best Practices
Metamask - Browser extension to enable DApp useage. Interfaces with front end to provide wallets/keys
Infura - Ethereum Client Provider. Connects apps to Ethereum Blockchain so you don’t have to run your own node.
Parity - Ethereum Client Web3( https://github.com/ethereum/web3.js/ ) - Blockchain API