Who is backing Polkadot?

Who is backing Polkadot?" This question has piqued my interest, as Polkadot has emerged as a significant player in the cryptocurrency and blockchain sphere. Could you elaborate on the backers supporting this innovative project? Are there any notable venture capital firms or individual investors providing financial support? Furthermore, I'm curious about the strategic partnerships and collaborations Polkadot has forged with other key players in the industry. Could you please shed some light on these matters? It would be insightful to understand the diverse range of supporters that are backing Polkadot and their role in shaping its future.