Some great ideas here

[professor rat]

But the market is treating them worse than " Satoshi Vision '

https://xx.network/archive/praxxis-emerges-from-stealth/

" . . . Using Elixxir, financial transactions denominated in Praxxis coins can be executed efficiently without leaking metadata. Alternatively, Praxxis can provide identified check-like wallet transactions. The full technical details of the Praxxis approach will be included in a forthcoming whitepaper currently being prepared for release later this year. . . . "

That was 2019 btw.