We have published a guide to help you navigate around the cryptocurrency space while avoiding scams
https://www.coingecko.com/buzz/4-lessons-from-biggest-cryptocurrency-scams-2018TLDR
1. Pay Close Attention to Website Addresses as Phishing Remains Common
2. Beware Promises of Risk Free Guaranteed Returns
3. Lucrative Affiliate Programs are a Red Flag
4. Check the Background of the People Involved; Scammers tend to be Repeat Offenders