New traders or old traders always encounter losses. There is no permanent position in trading. The price of bitcoin and altcoins is not permanent. So therefore, it is normal to gain and to get some losses. But, what most important is, you are getting some techniques from what you've already experience from your previous Trading experiences.
If you're taking it seriously, your losses will be one factor in learning the better things in trading. You do remember that it's not always winning and losing.
You're right that every position that we do is not permanent. You could be down by today and dwelling in losses but eventually, you're just learning the harder way.
Learning is only done if you check "why" you lost as well. Just losing doesn't mean that you will get better, if you do not look why you lost and what was your mistake then you are not going to be making anything back. However, if you are going to end up making some examples out of it and you are going to end up with a better understanding of what is wrong and what is right then you are going to end up with a profit for sure.
This is the thing about crypto and trading, if you are working on it even if you earn, then you are going to get better, even after 10 years you still need to study and learn, that would be the way to get better in the long run and stay good forever.