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Except Binance exchange and others good exchange, new projects still has high probability to scam. Even there is no guarantee that IEO is success by shit exchange. By few thousands USD devs start trading then price is down to zero. Any year Few projects is listing coinmarketcap.
i don't think all of new project are coming from IEO in big exchange like Binance that's not guarante become successfull.
what the parameter for some bounty called success?? this main point with many parameter, just listed in exchange with price more than offered at IEO, or the product delivered to investor, or etc