Why do we need THETA?

Could you please elaborate on the necessity of THETA in today's cryptocurrency and finance landscape? Could you explain the key benefits and functionalities that THETA offers, and how it differs from other blockchain solutions? Also, how does THETA contribute to the overall development of the cryptocurrency industry, and what are the potential applications and use cases for this technology? I'm curious to know how THETA fits into the broader financial ecosystem and what role it plays in shaping the future of finance.