It is already too late to sell since you are still holding all through the crash/dip of the market. Best bet right now is too hold and if possible add more position to your holdings. DCA at every strategic fall and i bet you will smile after the correction. Cryptocurrency has come stay and this is just a passing phase
We are experiencing far from the first fall of the market.
It was always unpleasant and made nervous, but it seems to me that the most stupid thing to do now is to panic and hastily sell everything, unless, of course, this is the last money a person has...