Very nice intro post! You didn't bog it down with jargon or go over the heads of newcomers with smart contracts and tokens which is great.
My 2 cents is to actually read the bitcoin paper, it's only like 9 pages. Or conversely wikipedia some pages like blockchain, distributed ledger technologies, and message signing and hashing. I know I said a lot but these concepts are core to the btc protocol
RE: The Basics of Crypto Currency and How To Get Started