...And here I would agree with you that crypto currencies are a little riskier because the volatility of the coins here is lower than many shares in the stock market and although the potential for profit is lower, the amount is higher.
Volatility is one of the factors of increased risk of investing in cryptocurrencies, and besides it there are many other different factors, such as non-regulation and, consequently, lack of investment protection, as well as unknown team members and vulnerability of smart contracts, which can lead to loss of money.