Coinme, a U.S.-based cryptocurrency cash-exchange, said Wednesday that it's offering ethereum (ETH-USD), dogecoin (DOGE-USD), litecoin (LTC-USD), polygon (MATIC-USD), chainlink (LINK-USD) and stellar lumens (XLM-USD) from its grocery store kiosks.In addition to bitcoin (BTC-USD), shoppers can purchase those cryptos instantly using cash at any of Coinme's more than 10K Coinstar kiosks, which provide "instant cash onramps to crypto, which can be purchased and securely stored in the Coinme wallet or sent to nearly any wallet globally," said Coinme CEO and Co-Founder Neil Bergquist.Founded in 2014, Coinme has over 21K locations across 49 states.In June, Coinme collaborated with Circle on using USD coin for P2P payments.