If you want to secure your capital then you have to..
1. Divide your capital into 2 parts.
2. Keep 75% in the spot and 25% for the Future Trading.
3. Use 2x or 3x leverage for highly volatile pairs.
4. For Maximum profit and Minimum losses trade big cap Crypto Pairs.
5. When you open a trade never forget stop loss and take profit.
6. For scalping never keep you trade open for a long time e.g 5 or 6 Hours.
7. If you are in a profit then book you profit.
8. Keep an eye on what's happening in the world.
9. Use MAs, EMA, RSI etc.
10. Never trade against the Trend.
Crypto is a Highly Volatile and Risky. Save Your Capital.