Transacting with your eyeball? Directly out of the Book of Revelations!
[1] I took a strong interest in biochemistry in college and I'm no longer religious.
I would trust a blockchain more than my government. My government has clearly been shown to be vulnerable to a < 51% attack. Blockchains don't change every 4 years and decide habeas corpus no longer applies to me because my skin is the wrong color either.
I predict that Worldcoin will get it done first, and will be more dependable than most countries. But it could turn out otherwise. In the end, services that need humanity verification will have multiple provider options and the market will decide.
Government solutions will be opt-out, and only in the most tedious way: Leaving the country, burning your passport and becoming a stateless person. Not recommended.
If there ever was a moat, government has it.
Initially I thought it's a bloody stupid idea, however at this stage I reckon we need it or a lot of boomers are going to be ones hotted into singing away all their wealth away.
Nope [1].
Once they have collected 'enough' faces to use on their AI, they could possibly pull the plug or keep it as a social experiment.
I was thinking, there is no way Russia or China will allow them to operate in their countries, and (combined) they got 1.5bn people.
I can also see them trying that to Pakistan, Afghanistan, and other autocratic ..stan places, where the local dictator would only allow this if they got to use the data for their own nefarious purposes.
Most people calling it a scam don't know much about it.
https://www.buzzfeednews.com/article/richardnieva/worldcoin-...
https://www.technologyreview.com/2022/04/06/1048981/worldcoi...