I feared new altcoins will be left out so i start selling some coins for bitcoin because it can be a big blow if altcoin fails to surge like in 2017 after bitcoin reach a new ATH, what do you think? And what would you have done in my position
if you are in doubt withholding altcoin, the best step is to hold bitcoin. I think I understand your thoughts. however, at this time altcoin is not very good, especially for the new altcoin. however, I think that altcoin is starting to grow, especially for the top altcoin. for example, for ethereum growth, if calculated from last week, the increase has reached 10%, however, it continues. I quite believe the steps you take are good, it's just that, sticking to top altcoin is also quite good.