Firstly, the OP is asking a private question which cryptocurrency holders are advised not to provide in other for them not to be attacker target, that aside you can't speak for every Bitcoin holder, and the last time I checked people like Anthony Pompliano will keep their holding. Mind you, those that sold all their holding in the year 2016 ATH have already blame themselves and the best thing to do in every ATH market is to sell 50% of ones holding because anything can happen now the crypto market is going mainstream.