Cryptocurrencies are a whole new asset class, which is backed by the Blockchain Technology.
This is not just a revolution in money or finance or financial tech, but the Evolution or a Great Paradigm Shift in Money, Governance which is ushering a Brave New World.
To learn more about Bitcoin or Cryptocurrencies- have a look at the link posted below:
http://bitclub.network/cryptonmining
Great introduction videos on Cryptos as well as how you can earn cryptos through mining.
I will also provide more details on crypto trading, another great way to dwell in the world of Cryptos. There are many cryptos/tokens out there that are actually solving problems in the marketplace.