First of all, no one can determine if a site is paying or not until some members reach payout and get paid or the website holds funds. Additionnally, you have to study website architecture if the website is kind that you invest and get a daily fixed percentage, and increased money means it is a scam site because no one gets 10 $ and pays back 20 $ after 1 month. The website has to provide work to deliver in order to get paid means like the fact of writing articles or delivering some graphic designs otherwise or even forex platform.