When in doubt, it's better to do nothing 
. And you can always buy those tokens once it hits the market, it's more safer that way. If you're thinking it'll be higher than the ICO price then, please note that it's not always the case as the price is out of the dev's control after it's listed on the market.
Still, majority of scam ICO's are not as polished as you think. The sad truth is these flaws are only revealed once it's confirmed they're a "scam", proves that people did only bother BG checking once they felt they might have been scammed.
Look back and see if you really did check the project throughly. There are a lot of great articles on google if you search "How to spot a scam ICO" like this one, you could use them as a reference. Doubt everything, verify if all the information is true, make sure that everything make sense not just "professional" and "smart" looking
please tell me some projects which does not require any payment?
There's no ICO where you don't have to pay but most of them do offer bounties where you will do certain works (mostly advertising) for them in exchange for their coins.
. And you can always buy those tokens once it hits the market, it's more safer that way. If you're thinking it'll be higher than the ICO price then, please note that it's not always the case as the price is out of the dev's control after it's listed on the market.Still, majority of scam ICO's are not as polished as you think. The sad truth is these flaws are only revealed once it's confirmed they're a "scam", proves that people did only bother BG checking once they felt they might have been scammed.
Look back and see if you really did check the project throughly. There are a lot of great articles on google if you search "How to spot a scam ICO" like this one, you could use them as a reference. Doubt everything, verify if all the information is true, make sure that everything make sense not just "professional" and "smart" looking
I feel sorry that good people fall for scams but it also serves as lesson to be cautious in future.
yes they are an experience but I have never seen any project that provide you something without paying? like you want to buy their tokens then obviously you have to pay.please tell me some projects which does not require any payment?
There's no ICO where you don't have to pay but most of them do offer bounties where you will do certain works (mostly advertising) for them in exchange for their coins.