I began to think this would be a waste of time with everything I learned because almost all the projects I had followed ended in scammers. Is this a waste of time for me?

I think all the ICO project accept Newbie will be not potential and highly scam. All the ICO campaigns I joined, the minimum rank required was Jr. Member. So that you should find carefully about ICO project before joining and doing bounty

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Projects with jr member are also able to make bounty get bounty hunter cheat to make money. So it is best to participate in signature campaigns that accept rank high than members