... more and rewards you for coming back. Rewards cards, frequent-flyer miles, co-op memberships, even those little punch cards that coffee shops give out — they are all loyalty currencies, and they are the most widespread type of ...
Creating Wealth: Growing Local Economies with Local Currencies
... solar panels to replace electric generation using fossil fuels. If the consumer had a number of the carbon currency units on their card and the solar panel store accepted up to 10% of the purchase price in the units, they could ...
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