Cryptography, Cryptocurrency, Go, Mathematics, Security.
Ry := new(big.Int).Sub(sPxR, Py) // Finally mod p everything return new(big.Int).Mod(Rx, curve.P), new(big.Int).Mod(Ry, curve.P) The second basic arithmetic is point Doubling. The case of point addition was only if P != Q. This time it is going to be for P + P. Later we add to trace a line between