OpenAI's co-founder, Sam Altman, has launched Worldcoin, a financial network that will use biometric verification.KEY TAKEAWAYSOpenAI's co-founder and CEO Sam Altman launched a crypto project called Worldcoin.The network leans on biometric verification, like facial and iris authentication, to create a unique World ID for each user and distinguish them from AI bots.More than 2 million people have a World ID so far.The project has been three years in the making and uses biometric veri...