The real risks are that the market is very unpredictable and nobody can say what would happen tomorrow. Moreover, the market is very volatile and it can increase the price of any altcoin by 200 percent and decrease it by 500 percent within a night.
Real risks are that exchanges and wallets are being hacked. Fraud is everywhere. Moreover, there's still a bearish trend, and it's a real risk for new investments, including investments in cryptocurrencies!