Which of the following is true regarding Elliptic curve cryptography? (can be multiple)

Elliptic curve cryptography is more secure than discrete logarithm based cryptography using integer groups.

The security of Elliptic curve cryptography is based on the hardness of factoring large integers

Elliptic curve cryptography is more efficient than discrete logarithm based cryptography using integer groups.

Elliptic curve provides another group structure in which the discrete logarithm problem is hard.