The name "Circles" reflects both the circular flow of currency in the economy and the social circles of trust that form the foundation of the system. Each person creates their own currency, CRC, that connects with others to form an interconnected network, resembling overlapping trust networks and exchanges.
Circles is designed to grow from local trust networks into a global ecosystem. As users connect across communities and borders, CRCs can flow through this expanding web of trust. What you can buy depends on the goods and services offered within your network, but as more people and groups adopt Circles, the range of things you can exchange CRCs for will grow too.