Charles Hoskinson, founder of Cardano, proposed to Elon Musk to integrate Dogecoin on X, a social media platform.The proposed upgrade would require full smart contract support, state channels, and a new proof-of-work system to handle heavy computing.Elon Musk has not yet responded to the proposal, but there have been speculations about Dogecoin becoming part of X.The current price of Dogecoin has decreased by 14.7% in the last 24 hours, and it is trading as the ninth-biggest cryptocurrency.