The Worldcoin eye scanner could be quite a nice convenience, especially in the event of losing ones wallet or phone. However, can such ID systems ever be 100% hacker proof?
https://techcrunch.com/2023/05/12/hackers-stole-passwords-of-worldcoin-orb-operators/
https://www.reuters.com/technology/openais-sam-altman-launches-worldcoin-crypto-project-2023-07-24
https://patentscope.wipo.int/search/en/detail.jsf?docId=US291464337&_fid=WO2020060606 Officially, this isn't part of a global digital currency tracking system, but it could be. Anything with 060606 is too close to 666 and will be of great concern to many.