Scammers who hacked the official McDonald’s Instagram page on Aug. 21 made off with over $700,000 in Solana after using the fast food giant’s social media page to promote and rug a memecoin called “Grimace.” According to screenshots shared on X, the McDonald’s Instagram page made a series of posts promoting a sham token based on the fast food chain’s purple mascot, Grimace. Several posts described the sham memecoin as a “McDonald’s experiment on Solana,” which was blasted to its 5.1 million followers around the world. According to data from blockchain analytics service Bubblemaps, the hacker f…