People invest in cryptocurrencies because they can quickly earn a large amount of money. Investing in real estate or the stock market requires more money and more knowledge than investing in cryptocurrencies.
where ever you invest(crypto, real estate or stock market) its always have risk, big profit is big risk, more money you invest is will give you big profit, why so many people invest in crypto i say its because have big chance and can reaching all people in the world not just rich man but with a litle amount you can try invest