This form of loss is the simplest and perhaps most painful. You buy a stock and then watch the price go down and stay down. Money management preserves your trading capital. Money management, also called risk management, is a core concept that you should start with immediately when you begin to learn and it should be the very core focus throughout your trading career. It will allow you to deal with performance downturns and it will preserve your trading account during these times, enabling you to carry on trading.
Agree that money management is the most important thing in investing. Every investment carries risks as well as cryptocurrency and to reduce the high risk, I think we should not only invest in one coin, we also invest in other coins that have large liquidity and are actively traded in large exchangers