Tesla CEO Elon Musk vetoed OpenAI's ICO plan in 2018, believing it would damage the company's credibility. He had disagreements with OpenAI founders Sam Altman and Greg Brockman, who planned to make money through ICO. Musk proposed merging OpenAI with Tesla to solve funding problems, but eventually left in February 2018 to start xAI. He has since sued OpenAI and its executives, alleging fraud and unfair competition, and the lawsuit also involves Microsoft's investment. Meanwhile, Worldcoin, backed by Altman, issued WLD tokens in 2023. (TheBlock)