What was we need to do there was only patience. Because every coin always give you a chance to be survive your self by bouncing back near your buy rates.
You need to stop and evaluate again your plan, find the mistakes and fix it, if needed change it. Even you only have 20% it will be enough to get your fund back, keep optimist and disciplines. I don't agree with " hold " because it's depend market volatility, chose wrong coin and keep hold it will create new bankrupt person. Every strategy need patience but sometimes you need to change it become " cut loss ".