In order to reduce the risks of cryptocurrency, you should remember to diversify. I think this is a good way to get rid of risks.
There is no perfect technique, even if we give it to fund managers who have decades of experience then there is no guarantee for profit, there is always a risk in investment so the best thing is to face not avoid.
Technical analysis or fundamental analysis is essentially a skill to help traders eliminate many of the risks involved in trading. And they always set the criteria to help minimize the risk as traders do not let losses such as losses not exceed 2% and always record the transaction log