<transcript><audio_96>world I were to just use a password the there's always this thing called a man in Middle attack so the person in the middle could actually take my password and then for put it on and they could become me right there's always this well-known case of postales which is</transcript><transcript><audio_97>like you could arbitr play against any Grandmaster as long as you both you have the ability to communicate using both you know an as synchronous method which is like a post or email or whatever it is right so what you do is like you</transcript><transcript><audio_98>start the game you start with two grand Masters and uh you know you copy one to the other right and both the grand Masters would be thinking that you are the grandmas that they playing against so you would act as if you were a Grandmaster even though you know nothing</transcript><transcript><audio_99>about just I'm not suggesting you to this but this is a thought experiment right so then there's the third one which is which is outsourcing computation which is essentially an interesting thing you you want to check something and you don't want to really</transcript><transcript><audio_100>you know uh reveal any of it but just want to assur us that it is done the right way okay so can I go to the next slide please so this is uh Anonymous authorization approving that you access without revealing your add to your login</transcript><transcript><audio_101>I already mentioned this also you could do group membership right so you can actually prove in zero knowledge that you are a member of the group say jbba right so you want to prove to somebody you are a member of jbba without revealing anything about yourself that's</transcript> world I were to just use a password the there's always this thing called a man in Middle attack so the person in the middle could actually take my password and then for put it on and they could become me right there's always this well-known case of postales which is like you could arbitr play against any Grandmaster as long as you both you have the ability to communicate using both you know an as synchronous method which is like a post or email or whatever it is right so what you do is like you start the game you start with two grand Masters and uh you know you copy one to the other right and both the grand Masters would be thinking that you are the grandmas that they playing against so you would act as if you were a Grandmaster even though you know nothing about just I'm not suggesting you to this but this is a thought experiment right so then there's the third one which is which is outsourcing computation which is essentially an interesting thing you you want to check something and you don't want to really you know uh reveal any of it but just want to assur us that it is done the right way okay so can I go to the next slide please so this is uh Anonymous authorization approving that you access without revealing your add to your login I already mentioned this also you could do group membership right so you can actually prove in zero knowledge that you are a member of the group say jbba right so you want to prove to somebody you are a member of jbba without revealing anything about yourself that's
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