https://bitcoin.org/bitcoin.pdf
Update Yellow Paper: https://ethereum.github.io/yellowpaper/paper.pdf
https://media.consensys.net/time-sure-does-fly-ed4518792679
Ethereum Wiki consist of 159
pages: https://github.com/ethereum/wiki/wiki
Ethereum Improvement Proposals: https://github.com/ethereum/EIPs
https://forum.ethereum.org