Don't join free groups, most of them are full of shills, and many will DM you to scam you. If you're using an iPhone, set your phone to erase data after 10 incorrect lock screen password attempts. Don't use Android, don't mess with sketchy exchanges, and install a Google Authenticator. In theory, hackers can't break Google Authenticator. Don't use large funds to play with altcoins. Can you handle a 50% swing in just a few days? Just use small amounts to participate. Use large funds to trade $BTC, $ETH, $BNB spot. Follow the big trends. Don't tell others you're trading crypto, not even family or friends. Stay low-key when you make money. Don't put all your funds into crypto; it'll create too much pressure. Wishing you all profits!