Tools for Humanity (TFH), the for-profit organization co-founded by OpenAI CEO Sam Altman, builds and operates the World blockchain, whose World ID system uses iris-scanning orbs to cryptographically prove that an online entity is human and prevent bot or fake-identity interactions

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World's biometric data, gathered via iris scanners, can verify whether an online entity is human or a bot.
Tools for Humanity is the primary for-profit builder working on the World blockchain, which was cofounded by OpenAI CEO Sam Altman, while the World Foundation is behind the WLD token.