Confidence comes only with knowledge of the matter; if you hone your skills and abilities more and more and constantly learn, confidence comes on its own. In cryptocurrency trading there is no other way, either you are an expert, well-read and experienced, or an insecure user who constantly gives your profit to others.
That's true if you have talent and know everything then your confidence will definitely increase because you will then easily use your talent to get benefit. But if you don't know what to do then you will shy to take forward step or if you take step and that step become wrong then your confidence and courage both will reduces. In trading you should be serious about your win and loss because its not about a single defeat but due to this single loss you will loss large part of your money.
Learn well to use your skills in trading and also read carefully the price graph which can help you to indicate market and then make a useful decision. Newbies often loss at start but if they use their skills then they can quickly become a successful trader as success always comes after get experience in trading.
Your experience in the market will always be a big factor to boost your confidence in trading. Despite of the losses you achieved through trading, you are also learning from them that makes you an improved trader in the process.Trading is not easy and it takes a lot of knowledge and skills for you to become a successful trader. If you know how to value your past trades regardless if they are wins or loss, that will be a good factor to make you a confident trader in the market.
Confidence is built through years in trading, and that will only happen if you don't quit easily despite of the struggles and hardships you experience in trading.