I've never seen it either and it seems like this is very difficult to make happen. buying soda or snacks with bitcoin or popular crypto such as ETH or BNB is very difficult to realize because the prices fluctuate and there are still few people who know about crypto. buying things with your favorite crypto is much more difficult because it is likely that everyone's favorite crypto is different.
Crypto vending machines are simpler to operate and they effectively carrying out crypto operations. What do we purchase that will take longer time to transact? Cryptocurrency is here and have come to stay, witnessing whole difference when you pay in crypto and also having some sort of sense of comfort, because it's very fast and reliable. However making payment in different volatility coin, what do we expect? That's why stable coins are originated to keep every transaction stable. Buying some groceries with crypto is one of the measurable methods to noticed about the advanced path of crypto in our current days.