What is a cat in a dog's world?

In the intricate world of finance and cryptocurrencies, we often encounter analogies that strive to explain complex phenomena in simpler terms. One such intriguing expression is "a cat in a dog's world." Could you elaborate on what this phrase signifies in the context of our current financial landscape? Are we to interpret it as a lone cryptocurrency investor navigating a predominantly traditional, dogmatic financial system? Or perhaps, is it a metaphorical representation of a decentralized technology struggling to gain traction in a centralized, corporate-dominated ecosystem? Understanding the nuances of this phrase could provide valuable insights into the dynamics of our evolving financial world.