Michael Cox wrote:Or as a clearer specific example: Let say I'm a brick layer. I trade with other people in my close circle; the cement maker, the brick maker, maybe the site foreman. We like working together so we decide to agree our own special unit of currency. This works out fine for a while, right up until I decide to take a holiday and cash in my money. I suddenly discover that people outside my circle of trusted compatriots don't value our money. I can't buy tickets, book hotels, eat at restaurants. I may know - for example - that 1 unit will exchange for one hour of labour (or what ever metric you decide) but the outside world simply don't care. A hotel owner in some distant city doesn't care that my unit is worth an hour of Bob's time.

So for any permaculture currency to be viable it has to overcome the same basic rules that any currency does. It has to be widely accepted and easy to exchange for items of value. Until a permaculture currency does this I struggle to see how there will be a solution better than using a standard cryptocurrency (or normal currency!).