Overview One of the key pairs in public key cryptography is the private key. Use the private key to control access to transaction. Private key was chosen randomly integer (256 bit) from between 1 to p. "p" is「2^256 - 2^32 - 2^9 - 2^8 - 2^7 - 2^6 - 2^4 - 1」. This is the order p of the elliptic cur…