Forms of Bartering in a Solarpunk Society

This is one of the most obvious changes that would have to made in a solarpunk society, that I'm struggling a bit with. If the government is gonna be dismantled, with freedom of migration between communities - then, obviously, our current system of currency isn't gonna be very feasible. One option would maybe be growing and trading vegetable; another option would maybe be doing small tasks in exchange of items. There would also be no such thing as private property, although personal property would still exist (this seems to scare anti-socialists the most).

What are your thoughts?