After browsing the Internet a bit, I found a few websites (like *coin cloud miners with investment plans) that could be potential scams.
While the websites in question have a free version, the question I would want to ask would be "Is it safe to invest in (website in question)?" - in short, will I be scammed by investing in the website.
Currently, the best place I can find is Money & Personal Finance SE, but it's better to double-check then get a question closed for being off-topic.
Would Money SE good site for these questions? Or would another site be better?