Who invented theta?

Could you please provide more context or information about "theta" you mentioned? Are you referring to a specific technological invention, a mathematical concept, or perhaps a cryptographic algorithm related to cryptocurrencies and finance? Without further details, it's challenging to give a precise answer. However, if "theta" refers to a cryptographic technology or token in the blockchain and cryptocurrency space, it's typically associated with a team or organization that developed it, rather than a single inventor. Such projects often have whitepapers or official documentation that outline their origin and development. If you could clarify the nature of "theta" you're inquiring about, I'd be happy to assist you in finding the relevant information or posing the question in a more specific manner. Please feel free to provide additional details so that I can better address your query.