It's nice that green eco-coins are getting more and more popular. But all of them have different issues. In the case of CRP, it's a closed-source application that can be not very trusted by some people. Moreover, the value of the coin is very low and is not growing. But it doesn't require any additional investments, which is great. Speaking about Chia, it's also not very trusted now. Moreover, by buying additional supplies people lose good money. So choosing between them, I'll prefer Crypton.