Who invented Web3?

I'm curious, can you tell me who is credited with inventing Web3? It seems to be a hot topic in the tech and cryptocurrency world these days, and I'm eager to learn more about its origins. Is there a specific individual or team that is widely recognized as the pioneer of this innovative concept? Additionally, how did the idea of Web3 come about, and what challenges did its creators face in bringing it to fruition? I'd appreciate any insights you can provide on this fascinating topic.