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Dec
16
comment How do you find a cheater in Shamir Secret Sharing?
Yes, there is only one cheater.
Dec
16
comment How do you find a cheater in Shamir Secret Sharing?
All four parties. But only two should be needed to figure out the secret.
Dec
16
comment How do you find a cheater in Shamir Secret Sharing?
No, only the x and f(x) values are given. I was going to use a Lagrange expansion to solve the polynomial, but then I realized I did not know how to catch the cheater.
Dec
16
awarded  Student
Dec
16
asked How do you find a cheater in Shamir Secret Sharing?