Total Market Cap 

Crytocurrency: USD$2Trillion.

Stock Exchange (Only 20 out of 60): USD$100.48Trillion 

Total number of listed companies/coins

Cryptocurrency: 4000 coins

Stock exchange: 40,000+ companies

Biggest market value company/coin

Bitcoin: $1.07Trillion

Apple: $2.23Trillion

Outstanding shares/Coin Supply

Bitcoin: 18.7 Million

Apple: 16.79 Billion

In March, I bought XRP coin at MYR$1.34. Now it has gone up to MYR$6.56. 

Cryptocurrencies can be bought on Luno (SEC Approved) if you are interested.

Reference:

https://www.google.com/search?q=number+of+companies+listed+around+the+world&rlz=1C1CHBF_enMY850MY850&oq=number+of+companies+listed+around+the+world&aqs=chrome..69i57j33i22i29i30.10339j0j7&sourceid=chrome&ie=UTF-8

https://coinmarketcap.com/

https://www.tradinghours.com/markets