I love to know someone else point of view about all cryptocurrencies movement and I really enjoy to read some esseys or elaborations. I will share with you one of my favourites pdf here and if you have some interesting positions feel free to post it here and I'll update this list.
Bitcoin: A Peer-to-Peer Electronic Cash System Satoshi Nakamoto
Bitter to Better — How to Make Bitcoin a Better Currency
Simon Barber, Xavier Boyen, Elaine Shi and Ersin Uzun
Ethereum whitepaper Vitalic Buterin
Enabling Blockchain Innovations with Pegged Sidechains Adam Back, Matt Corallo, Luke Dashjr,
Mark Friedenbach, Gregory Maxwell, Andrew Miller, Andrew Poelstra, Jorge Timón, and Pieter Wuille
PPCoin: Peer-to-Peer Crypto-Currency with Proof-of-Stake Sunny King, Scott Nadal
The Problem with Altcoins Daniel Krawisz