One of the more peculiar promises made to the seven churches of Asia by Christ is found in Revelation 2:17. "To the one who conquers... I will give him a white stone, with a new name written on the stone that no one knows except the one who receives it." If you want to speculate on the symbolism of the "white stone" see the link below. However, what truly interests me about the stone is the "new name written on the it that no one knows except the one who receives it." The question is who's name is the new name? It could be a new name given to us but more likely Jesus is referring to the name of God that saves.
But to find out for sure, I think it's best to let Jesus answer what name he came to make known. In John's Gospel Jesus prays, “I have manifested your name to the people whom you gave me out of the world. Yours they were, and you gave them to me, and they have kept your word (John 17:6)." The name Jesus "manifested" or made known in his High Priestly prayer is that of the Father (see John 17:11,12). Later in Revelation when Jesus comes to judge the world we are told, "His eyes are like a flame of fire, and on his head are many diadems, and he has a name written that no one knows but himself. He is clothed in a robe dipped in blood, and the name by which he is called is The Word of God (19:12,13)." John in in his writings will often use imagery and phrases referring to the Father and Son interchangeably. He does this to emphasize the divinity of Jesus and the saving power of the Triune God. So, the name we must receive to be "overcomers" is the name of God. It is his name, stamped on the white stone, that grants us access to victory in this world and the world to come. If you have never bowed your knee to the name of God let me suggest you not wait.
"And there is salvation in no one else, for there is no other name under heaven given among men by which we must be saved.”