The Winklevoss twins, Tyler and Cameron, are American entrepreneurs and venture capitalists known for their involvement in the early development of Facebook. They were students at Harvard University when they claimed that Mark Zuckerberg stole their idea for a social networking site, leading to a legal battle that resulted in a settlement. In addition to their work with Facebook, the twins are prominent figures in the cryptocurrency space. They co-founded Gemini, a regulated cryptocurrency exchange, and have been vocal advocates for the adoption of digital currencies like Bitcoin. Their efforts have made them influential in the evolving landscape of finance and technology.