I think it will last forever, Due to the fact that crypto currencies are the next big thing in the world. Maybe sooner or later, it will replace all the most wealthiest persons of the world by the people who are in the crypto world. In spite of the fact that many people in the world are learning how to use the crypto currencies. And also many rich people are investing in the crypto currency in light of the fact that its the mainstream right now so people are also doing this.