Complementary currencies work in addition to existing money, rather than replacing existing, official money. There are whole different families of complementary currencies. One of them is local currencies. One is regional currencies. Another is functional currencies. Another is social-purpose currencies.
Bernard LietaerLook at any financial institution, at any bank. They're all photocopies of each other. There's no diversity of institutions and even less diversity of currency. Therefore, just as you say its very logical that an ecosystem like this will collapse, it's very predictable a monetary system like this will collapse, too. And it hasn't finished collapsing, by the way.
Bernard LietaerThe direct consequence is that we have to fight with each other in order to survive.
Bernard LietaerBasically, for any complex to be sustainable needs to have a balance between two factors: resilience and efficiency. These two factors can be calculated from the structure of the network that is involved in a complex system. A resilient, efficient system needs to be diverse and interconnected. On the other hand, diversity and interconnectivity decrease efficiency. Therefore, the key is an appropriate balance between efficiency and resilience.
Bernard Lietaer