I think those are Yam, Hakka. After ICO the price go down so much. I think Defi just a short trend.
Why do you say that DeFi is just a short trend? do you have a more complete explanation about this DeFi thing? because most people today already believe in the DeFi trend and will continue to do so for the next year.
The DeFi phenomenon itself is a very cool innovation in the world of cryptocurrency and financial systems in general! However, many scam projects and lack of regulation can ruin this system... That's why they say about a short-term trend and a hype, like ICO 2017...