It ages an NFT as more interactions with it occur. The NFT is used to provide an option for a user to keep or sell or trade. The NFT becomes more rare with more interactions and becomes more rare. It is used to motivate people to make the earth a greener place with their actions.
I use FVM as well as React, CSS, HTML, JS. It uses those things primarily for the front end and FVM to handle the back end. It was used by referring to the tutorial and making changes to it. I would like to say it was my first time using FVM so it was new to me but and exciting challenge.