Placing a stop loss or limit loss in cryptocurrency and stock trades is very important in risk management and is one of the basic tools that traders use to protect their capital. Here are some of the main benefits of a stop loss:

1. Protection from large losses: Stop loss helps limit losses when the market moves against the trade. Without this tool, losses may continue to grow if timely action is not taken.

2. Discipline and Emotional Insensitivity: When a stop loss is set in advance, emotions are less likely to influence trading decisions. A trader may feel stressed when there are high volatility, but having a stop loss in advance protects them from making rash decisions.

3. Capital Management: Stop loss helps preserve capital and regulate the amount of risk in each trade. Traders can estimate the risk versus expected return ratio, allowing them to continue trading even if they suffer some small losses.

4. Protecting profits: A trailing stop can also be used to protect potential profits. As the value of the asset rises, the stop loss can be adjusted to keep up with market movements, allowing for profit-taking if the price declines after rising.

5. Planning ahead: Stop loss forces traders to plan their trades ahead of time and identify critical points at which to exit the trade, which enhances thoughtful trading strategies.

Ultimately, stop loss is an essential tool to reduce risk and achieve sustainability in trading, whether in cryptocurrencies or stocks.