As a newbie, it is normal to be failed. You probably need more knowledge and more careful in trading. There are various reasons why a person can fail in the first attempt at trading, you need to evaluate yourself. Some possible reasons:
1. Less knowledge
2. Less analysis before buying
3. Buy a wrong coin
4. Use a wrong strategy
5. Impatience
6. Buy at a wrong time
7. Follow the hype only
8. Less experience (v)

Actually, every trader must ever fail in trading, especially when they are at the newbie level. You need more time to know more about trading. Just learn from the failure and get more knowledge. Don't give up!!!