Dogecoin jumps after launch of official reserve, surpasses Cardano [https://www.thestreet.com/.image/t_share/MjEzNzM5MTk5MTUxNDgyNzE3/gettyimages-2196861772.jpg] Dogecoin jumps after launch of official reserve, surpasses Cardano Dogecoin recorded a hike of more than 5% a day after the project purchased 10 million DOGE worth $1.8 million to create an Official Dogecoin Reserve. [https://www.thestreet.com/crypto/markets/dogecoin-jumps-after-launch-of-official-reserve-surpasses-cardano]