>>[...] others in the cryptographic community [built] what they called 'fair' blind signatures [...] where untraceability could be lifted by an "independent par

>>[...] others in the cryptographic community [built] what they called 'fair' blind signatures [...] where untraceability could be lifted by an "independent party posessing the right private key" (i.e. a public "police backdoor"). They were trying to backdoor Chaum's encryption... Chaum himself is advocating not just for any ol' backdoor, but for a flavour of "multi-sovereign-party public police backdoor" if you believe the Wired article that explained his proposal.[1] [1] http://www.wired.com/2016/01/david-chaum-father-of-online-anonymity-plan-to-end-the-crypto-wars/ http://www.wired.com/2016/01/david-chaum-father-of-online-an...