Bitcoin, Blockchain, Blockchain Technology, Cryptography, Cryptocurrency.
1/n = n ^ (p-2) (mod p) What is an Elliptic curve? It is just an equation => y² = x³ + ax +b, that is symmetric over x-axis because of the y². Because of the symmetry, for every x there are 2 numbers for y, y and -y (since -y² =y²). Reason why Elliptic Curves are useful in cryptography is because