Beginners Guide To Crypto Currencies — A community effort

When asked “what should I read to understand this stuff” I rarely have a great answer. So I am creating this as the “dummies guide to Crypto”. It is merely a beginning and I will edit it frequently so 
PLEASE COMMENT WITH OTHER LINKS I SHOULD ADD

What is a private key and why do I care: NYTIMES

Where did Bitcoin come from: Wikipedia

The origins of money: Nick Szabo

The original Bitcoin white paper: Satoshi Nakamoto

What is Ethereum? The Primer

  1. What is Ethereum ERC20: Non-Technical Technical

2. Technical description of ERC721 that allowed Crypto Kitties: Medium

What do I need to know about security: Gil

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