91-year-old burger chain records surge in sales despite Bitcoin crash [https://www.thestreet.com/.image/t_share/MjE5MjU5NzczNDgzMjMxMDg1/burger.jpg] 91-year-old burger chain records surge in sales despite Bitcoin crash Popular American fast food chain posts 15% hike in same-store sales. [https://www.thestreet.com/crypto/retail/91-year-old-burger-chain-records-surge-in-sales]