I was holding XSN but lost it all on cryptopia. It was the only altcoin I had before I dumped it all.

There has never been a worse time to hold altcoins, to be frank. Even if some projects have a decent and genuine goal you just can't ignore the game theory behind the whole altcoin thing. It's just so inconvenient to hold several different wallets. Reason me and many lost their coins on shitxchangers was due the fact that we do not want to deal with the stress of having many wallets installed, keeping them updated, making sure the checksums are legit so you aren't install malware (ideally you want to compile it yourself)... it's an huge mess.

BTC dominance is going back to 90% ish and this is good, because most altcoins are dumb and useless. Unfortunately the good ones that will die are collateral damage.

BTC is already the de-facto digital hard money. If BTC's LN and other 2nd layer solutions reach mainstream success then I don't see a single altcoin succeeding long term.