Start by clicking 'Read More' on Bitcoin's listing page on Marketplace. We have summarized the key facts and figures to know about Bitcoin and Ethereum.
For further education on Bitcoin, the best places to start are:
https://bitcoin.org/en/faq#what-is-bitcoin
https://en.bitcoin.it/wiki/Help:FAQ
https://www.investopedia.com/terms/b/bitcoin.asp
For futher education on Ethereum, try these links:
https://en.wikipedia.org/wiki/Ethereum
https://www.investopedia.com/terms/e/ethereum.asp