Coppola Comment

  A cryptocurrency has just re-enacted the Weimar hyperinflation. Yesterday, the price of the cryptocurrency TITAN crashed to zero, and its related stablecoin IRON fell off its USD peg, trading as low as 69 cents to the dollar. It was a sudden and dramatic collapse that left investors shocked and bewildered. Equally shocked and confused, the coins' issuer launched an immediate investigation:  Iron Finance issued its post mortem a few hours later. This is the key paragraph: Later, at around 3pm UTC, a few big holders started selling again. This time, after they started, a lot of users panicked and started to redeem IRON and sell their TITAN. Because of how the 10mins TWAP oracle works, TITAN spot price drops even further in comparison to the TWAP redemption price. This caused a negative feedback loop, as more TITAN was created (as a result of IRON redemptions) and the price kept going down. A classic definition of an irrational and panicked event also known as a bank run. At the ti

In my last post , I said that the fact that a government can buy anything that is for sale in its own currency is not sufficient to confer monetary sovereignty. A country which is dependent on essential imports, such as foodstuffs and oil, for which it must pay in dollars is not monetarily sovereign. Some people disputed this on the grounds that such a country could earn the dollars it needs through exports. So I thought I would write a post discussing how realistic this is in practice. Strictly speaking, the only country in the world that can always pay for everything it needs in its own currency is the United States. However, most developed  countries that issue their own currencies have deep and liquid FX markets that enable them to exchange their currencies freely for other currencies; many also have swap lines with the Federal Reserve. Eurozone countries don't issue their own currencies, but the bloc as a whole issues the world's second reserve currency. It is not go