As of now there is none despite bitcoin being legalized in our country or is it ? i really dont know if it's accepted or not cause recently the government made some rules and regulations in using it. So i thought i can use it as payment for other businesses such as for example you have said supermarket but it seems there no store that is currently accepting bitcoin in my country.
so far we have not heard anything about supermarkets that accept bitcoin payment methods, no one has dared to speculate doing anything related to supermarkets that accept bitcoin, but it seems if this is backed up and adopted into real I think there will be many bitcoin users who transact there