3 ms·

Well, if the payment is specified in gold, it will be a very long time before that medium is not available.

• exelius 11y ago
  Then it's just a futures contract; and nobody in their right mind would sell a futures contract on a perpetuity. Currency is a useful abstraction for a lot of reasons.
  • murbard2 11y ago
    No, it's absolutely not a futures contract: you collect coupons over time.