10. Pay for plane tickets
For your friends who like traveling around, consider buying plane tickets from airports supporting them.
Companies such as CheapAir allow their customers to make payments with Bitcoin and other supported cryptocurrencies. During Christmas, they might even offer discounts for those paying with cryptocurrencies.
For companies that don't accept cryptocurrencies, you can convert your cryptocurrencies to cash and then pay for those plane tickets. Because there are few airlines allowing crypto payment, this is the best method.
