Start with <a href="https://en.wikipedia.org/wiki/Cypherpunk" rel="nofollow">https://en.wikipedia.org/wiki/Cypherpunk</a><p>If you aren't aware of their philosophy, the technologies won't really make that much sense to you because it is not strictly something technical. At its core it's a political movement.
BTC-Tech: Bitcoin and Cryptocurrency Technologies from Princeton University - <a href="https://piazza.com/princeton/spring2015/btctech/home" rel="nofollow">https://piazza.com/princeton/spring2015/btctech/home</a>
The ethereum white paper starts with an excellent explanation of Bitcoin. <a href="https://github.com/ethereum/wiki/wiki/White-Paper" rel="nofollow">https://github.com/ethereum/wiki/wiki/White-Paper</a>