The rise in the price of ETH is not Vitalik's merit. ETH price increase is only because of the green altcoin market. There are no other reasons for growth. you can see that the price has pumped up but the fees in the blockchain are terribly expensive. this is not good
In 2017, all cryptocurrencies are growing in value, because there was a hype. If you look at the market now, there are a lot of useful coins growing. A year ago, the defi ecosystem was in a very poor state.
https://bitcointalk.org/index.php?topic=51982452.2M then and $ 5.63B now.Fraudsters came here quite recently, because all the first DeFi projects were financed from investment funds.
Ethereum is growing in price, this is the merit of Vitalik and his entire team (several hundred developers from all over the world)