I do not understand how this is supposed to prevent sibyl attacks? How do they prevent fake virtual iris scanning devices from pretending that they scanned a person that doesn’t actually exist? Or is the idea that sama is will run a centralised private identity system that aims to replace government identity management? Then why do you need crypto? Are they trying to replace proof of stake/proof of work with “proof o…
Each scanner is registered, authorised, tracked etc. Presumably with a private key but also I think they have the location, operator details and so on for every one.