 What is the purpose of the example of pianos in Greence?
In crisis-hit Greece, where the euro can be hard to come by, businesses and citizens have turned to bartering using a points system where goods like pianos, pot and pans can be exchanged for security services or loaned farming equipment. But they will only work if Britons are ready to accept that they have the power to invent their own currency. It's an idea he no longer thinks will work, because the debate, since Brexit, has shifted from the currency issue back to ideas about Scottish independence. So they printed a currency that would have the same value as the pound, but could only be traded in independent Brixton shops, where the shopkeeper would also have to spend it locally. Without enough currency in circulation, it ceases to work.
 To show how paper currency is not the only way of paying for something
 To show that valuable things are appreciated everywhere  To show how paper currency is not the only way of paying for something  To show how much more expensive luxury goods can be  To show a move away from contemporary currency towards a more traditional approach