Worldcoin aims to provide its users with a verified digital identity, by scanning their eyeballs. The project is offering free cryptocurrency in exchange for an individuals biometric data, but it's been banned in Kenya amid privacy concerns. And China has proposed screentime limits for kids, so will they work? Meanwhile AI is being used to detect bushfires in Australia.  Seamus Byrne, Head of Content at Byteside and Chris Berg, Director of the RMIT Blockchain Innovation Hub join Rae Johnston on Download This Show.