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not all of them also you have to think about the project itself, u cant just jump in to any crypto out there because before were scammers now with many inexperienced people looking for opportunity man, they will pop like popcorn. research a lot and save your hard earned dlls.

Ofcourse. But the price got is value from ppl who trust the currency, and avivebility. But crypto has become so big now, so there would always be ponzi an scam around. But in the botom line, a coind dont have value if there isnt trust there. I have self been scamed for 93 btc by MTGox