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I agree with you. I was initially focusing on those coins which have feasible roadmap and a killer blockchain app. Apparently, the hype affects so much than the reality.

There will be even more crypto to invest soon - I believe there will be more than 10,000. As of now:
Cryptocurrencies: 1373 / Markets: 7343 Market Cap: $584,248,442,677 / 24h Vol: $27,341,582,229 / BTC Dominance: 44.1%