Control emotional trading, regularly do an analysis of the market (both tech and fundamental) and keep calm mind all the time.
If you happen to be a beginner, reading this post, give our educational pages a read to get a better grip on crypto trading through this link https://www.cryptocointrade.com/education. This line might really be easy to say but wont really be easily conquered on a short period of time no matter how you do read up some guides. Experience will be the one to gradually ease this emotion
for you to become a good trader which is already aware on possible instances to be faced either on risk management and emotional problems ahead. Its not easy to say to be calm when you see
a declining price but due to your knowledge you can ease it somehow.