> all debts in your given country must be paid with your given country's currency That's not true. If I owe you $100 and you're willing to accept Bitcoin that'

> all debts in your given country must be paid with your given country's currency That's not true. If I owe you $100 and you're willing to accept Bitcoin that's a perfectly legal way to settle the debt. Taxes are the only debts that must be paid in the national currency, at least as far as the US goes.