[lisper]

> Stefan Brands [1] solved the zero-knowledge authentication problem a couple of decades ago

Reference? If you want people to take you seriously when you claim that someone's solution to a problem has been overlooked you have to provide a link to the (alleged) solution, not just to the author's biography.

[erpellan]

See also: https://www.researchgate.net/scientific-contributions/354493...

Although I hadn't heard of Stefan Brands before, I wasn't surprised he'd worked with David Chaum, who is the person I first think of regarding zero-knowledge proofs: http://sceweb.sce.uhcl.edu/yang/teaching/csci5234WebSecurity...

Then I get depressed because we had anonymous digital cash 20 YEARS AGO and fucked it up.

Software patents are bad, crypto patents are worse. It's (almost) literally patenting math.

[mdpopescu]

Er... it was on the Wikipedia page. It was published on Amazon [1] but the Wikipedia page also seems to have a link to a PDF (ref #5).

[1] https://smile.amazon.com/Rethinking-Public-Infrastructures-D...