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As for the plethora of altcoins out there, and, in particular, the few that I own, I worry about the long-term future of their viability. At the time of this writing, it seems as if the sky is the limit and these projects are not only growing, but here to stay. However, things aren't always as they seem and I'm starting to wonder if it may be more prudent to dump and invest solely in BTC which I feel provides the most benefit to society and potentially has the most durability.
Anyways, any feedback is appreciated. Call me a crazy bitcoin maximalist, tell me I'm making the best decision possible or anything in between
It is your money, OP. I had sold my Ethereum after I traded back then and just decided to do what you are planning to do which is go all-in solely in BTC and never regretted it since. This isn't an investment advice, and it just came from my experience. It play out differently into your side.
Though if you're really asking for a feedback, maybe keep something for yourself unless those altcoins you dumped aren't really needed immediately.