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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


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Facebook is teaching AI to talk you through directions

Facebook is developing a “Talk the Walk” AI capable of giving walking directions without knowing a user’s location. What it is: A team comprised of a researcher from the University of Montreal in Canada and Facebook Artificial Intelligence Research (FAIR) scientists recently published a white paper describing a neural network capable of giving a person plain language directions without the use of GPS or other location tracking aids. дальше »

2018-7-11 19:00