Many ICOs avoid public crowdsales and raise funds with private sales or pre-sales that require a high contribution. The only way to participate in these ICOs is via ICO pools. This discussion can help find honest and effective pools. An example of a pool open to new members is at
https://discord.gg/97bGsVD I know also good reputation pool from my country but they dont open for foreigner.
I still confuse why the ico prefer to do private sale rather than main crowdsale? I still dont understand.