You can always learn new things in the vast world of cryptography.
Personally, this week I have devoured potcasts and documents about.... the real bitcoin? BSV
Yes friends, many will be surprised to know that the original BTC code was modified. I encourage you to research the topic.
BSV: bitcoin satoshi vision.
It is an incredible story that will change the way you see blockchain, centralized exchanges (which DO NOT include BSV), supporting actors and a drama typical of the best Netflix series...