Which type of trading is safe?

Could you please elaborate on which type of trading can be considered safe in the realm of cryptocurrencies and finance? Is there a specific strategy or approach that minimizes risks and ensures a stable investment? Also, how do investors typically assess the safety of a trading platform or brokerage firm before committing their funds? Would it be advisable to consult with experts or conduct thorough research before engaging in any trading activity? Finally, are there any red flags or warning signs that investors should be aware of to avoid potential scams or unsafe trading practices?