Результатов: 21

В биткоин-нодах Casa обнаружены потенциальные уязвимости

В аппаратных биткоин-нодах от компании Casa имеется несколько нераскрытых уязвимостей, сообщил исследователь проблем кибербезопасности под псевдонимом Ray [REDACTED] в Twitter. FYI… based on several undisclosed vulnerabilities, I would recommend all Casa node users remove their assets from the device until further notice. дальше »

2019-10-14 11:50


A Guide to 99% Fault Tolerant Consensus

Special thanks to Emin Gun Sirer for review We’ve heard for a long time that it’s possible to achieve consensus with 50% fault tolerance in a synchronous network where messages broadcasted by any honest node are guaranteed to be received by all other honest nodes within some known time period (if an attacker has more than 50%, they can perform a “51% attack”, and there’s an analogue of this for any algorithm of this type). дальше »

2018-8-9 04:03