Seed of the Serpent = Brood of Vipers = Devil’s Children = Jews

Seed of Serpent (Gen 3:15)
Brood of Vipers (Matt 3:7)
Brood of Vipers (Matthew 12:34)
Brood of Vipers (Matthew 23:15)
Snakes, brood of vipers (Matthew 23:33)
Children of the Devil (John 8:44)
Jews, Satan’s synagogue (Rev 2:9)
Jews, Satan’s synagogue (Rev 3:9)
John the Baptist and Jesus Christ both specifically identity the “seed of the serpent” in Genesis 3:15. It is the brood of vipers, the devil’s children, Satan’s synagogue.
It’s the Jews.