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Both are “Who you are”. Needs either a “what you have” or “what you know”.
Two times the same factor is still two factors
You can argue that the second factor is what you have (your own ass and scent).
End to end authentication
Enshitification
Still requires Mutual Authentication — how would Phil be sure about who he is talking to?
Does it matter if one’s job is to be downdog and the other’s job is to be updog?
downdog
Wait, I know downward-facing dog from yoga, but what’s ‘updog’?
What is updog?
Downdog is the one who speak slowly. Updog’s something else.
The doggie hellman key exchange.
So close, should be “Hey, Bob!”. Actually, “Hey, Alice!” Might be funnier.
The quantum version of this involves tennis balls and squirrels
True RNG.
