See also: https://www.researchgate.net/scientific-contributions/35449372_Stefan_Brands https://www.researchgate.net/scientific-contributions/354493... Although

See also: https://www.researchgate.net/scientific-contributions/35449372_Stefan_Brands 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/csci5234WebSecurityFall2011/Chaum-blind-signatures.PDF 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.