Design Rollup and Logo for event

Design Rollup and Logo for event

Hi, hope you are well! Check out if I go in the right direction. I have tried here create a concept with union + together with a circle icon. Trying to use energetic, young vibrant color. if I have your actual logo there I can customize the behind of the defi2022 logo. Feedback, suggestions anything from you. thanks. regards Ahmed Rumon