Why does it feel like they probably keep WAY more data than they need instead of just the hash?
Glad they’ve been shut down at least.
And then a tag-manager implementation with MixPanel, Intercom, Amplitude, Heap, FullStory, and Segment, all receiving every interaction with a full JSON object describing the current state of the application and user.
When I told them No Fucking Way (in not that many more words), they said they would need to get executive sign-off on a "custom" integration. The "custom" bit being us doing everything ourselves server-side and sending them a single opaque identifier for conversions.
[0] https://newsletter.mollywhite.net/p/worldcoin-a-solution-in-...
A picture could work with any algorithm.
They’re both bad though.
Even the context of the primary reason they cite for collecting retinal data (to prevent the same person from getting $50 multiple times) requires they keep this data for at least as long as they're paying people to scan their eyeballs.