Hexican blogs

Official homepage:

Hex.com

Audits:

CoinFabrik code audit

CoinFabrik financial audit

Whitepaper:

HEX is beyond the whitepaper stage, as it is an already finished and functional product, but you can refer to this document

Guides:

HEX Contract in Layman’s Terms

HEX Staking Deep Dive

HEX via Etherscan