Not all alt coins are dying. You have to really read about each of their business models, that is the only way to get wind of a scam.

There is a future for altcoins, as is everything, you must choose the right ones. Not all altcoins are equal.

Marinecoin has good potential. It briefly had a larger marketcap than bitcoin some years ago. It now has a new team and good project. It is a self sustaining, light code, time tested block chain technology supported by artificial intelligence. It is dev-less and has a low energy footprint. MarineCoin is being revived with an ICO and 20000 free coins for each proof of promotion. It is a self sustaining network. Register at marineco.in. and place request here marineco.in/ico. for ICO

Dogecoin is always good, might well be the last one standing, but there are still some good ICOs out there.