This field is unknown to me when it's introduced by Queens College Zoom hybrid on Etherium Nodes Blockchain coding and technology. The likes of Joshua Gottlieb founder of LendVest were present. Main focus of all these is on security.
A few starting point suggested:
To learn blockchain coding: https://cryptozombies.io/
https://code4rena.com/ where you can complete in blockchain coding to make money.
Other links are MEV pool scan using https://etherscan.io/
Recommended Patrick Collins' Youtube courses: https://www.youtube.com/c/PatrickCollins
Youtube certain has many information on this with the right keywords.