Love it.
Props for staying engaged and asking questions. Next step, take some fun money and learn by doing. The fact that johnarb is transparent and willing to share is a gift and truly something to be appreciated.
There are many whom got rekted or in the process of getting rekted in crypto.
Currently there is an exploit in Opensea’s contract. Lot’s of drama.
However, the gains in a deeper understanding of the tech, the possibilities and financial reward make for a great R:R profile.