What is the easiest bit for a horse?

I'm curious, could you elaborate on the metaphor "What is the easiest bit for a horse?" in the context of cryptocurrency or finance? Are you alluding to a specific aspect of these fields that might be considered straightforward or less challenging for individuals to grasp? Or is there a broader concept you're trying to convey? It's intriguing to ponder how this phrase could relate to the complexities of our industry.