Why is 420 the high number?

Could you elaborate on the significance behind the number 420 being considered a "high" number in the context of cryptocurrency and finance? Is there a historical event or cultural reference tied to this number that has given it this particular status? And how has this phenomenon impacted the industry or investor behavior in any way? It's intriguing to note the significance attached to certain numbers in the financial world, and I'm curious to understand the backstory behind 420 in this context.