Yeah, the only point of the mining system is to secure the blockchain. As more and more energy is spent on it, the more energy is needed to attack it. It just

Yeah, the only point of the mining system is to secure the blockchain. As more and more energy is spent on it, the more energy is needed to attack it. It just turns greed into security. As long as it's profitable to mine, it's practically impossible for someone to do a 51% attack.