Operating with cryptocurrencies is often affected by common and "silly" mistakes, mainly stemming from a lack of research and impulsiveness.
One of the biggest failures is buying due to FOMO (fear of missing out) without understanding the project, leading to losses when the price drops. Many people also follow advice blindly instead of doing their own research (DYOR).
Another critical mistake is poor risk management: investing more than one can afford to lose or not diversifying the portfolio. Emotion (euphoria or panic) often dictates impulsive decisions instead of a long-term strategy.
Security is another weak point. Keeping large sums on exchanges instead of secure wallets (hardware wallets), using weak passwords, or falling for phishing scams and frauds are costly mistakes. A simple error when copying a wallet address can mean the irreversible loss of funds.
In summary, the key to avoiding these mistakes is diligent research, solid risk management, and rigorous digital security.