Cryptography, Blockchain, Mathematics, Cryptocurrency, Bitcoin.
k would always be same modulo 4. Thus, 4kP = 0 (4k + 1)P = (17, 23) (4k + 2)P = (14, 0) (4k + 3)P = (17, 74) You would always want to choose a P such that the subgroup size is large enough. In fact, you can choose it to be equal to the order of the group! Application in Key Generation