1. Not Determining your Stop Placement in Advance
2. Placing your Stop Based on Arbitrary Numbers
3. Moving your Stop to Break Even/Marginal Profit ASAP
5. Never Moving your Stop
Managing the loss is a very important in cryptocurrency because if you do not know how to manage the loss in the business, it is useless how good you invest and have knowledge about the technology you are dealing in.
It is not some sought of prediction but the sign of a good businessman is that he will have insight about the possible rise in the portfolio in a particular interval of time given good market condition so it should not be based on arbitrary numbers.