• Great series of lectures by Princeton
• Simple explanation even a 5-year-old will understand
• Wikipedia article
• Bitcoin for Dummies
• Explain Bitcoin to your parents

• https://www.coindesk.com/information/what-is-bitcoin/
• https://www.coindesk.com/information/how-can-i-buy-bitcoins/
• https://www.coindesk.com/information/how-bitcoin-mining-works/
• https://www.coindesk.com/information/how-do-bitcoin-transactions-work/
• https://www.coindesk.com/information/sell-bitcoin/

• Coinbase - buy/sell digital currency
• Charts - see pricing of Bitcoin, etc live
• buy/sell your bitcoins in US and nearby

Maybe useful to demonstrate how cryptocurrency works.

• https://coinswitch.co/news/how-to-create-your-own-cryptocurrency-in-15-minutes-learn-step-by-step
• https://www.youtube.com/watch?v=d5EipPVafsA [15:36]
• https://www.youtube.com/watch?v=ZTXyXHaMHaA [3:15]
• https://hackernoon.com/how-to-create-your-own-cryptocurrency-tips-to-get-started-947ba92f79f9
• The search finding the above
  https://www.google.com/search?safe=strict&rlz=1C5CHFA_enUS839US840&ei=nbrsXIvyNsGe-gSglIWgBw&q=create+your+own+cryptocurrency+for+free