Bitcoin only.
There's no second best.
Agreed for the overall long-term generational wealth and utility.
The others I'll gamble on because I got them so cheap and if they go to zero they go to zero. I'm no longer putting money in anything except BTC since the last alt season. I took profits from the shit coins and rolled them into BTC and I've done the same with some stock purchases I picked up when the market dumped during covid