Crypto-currency markets are being rocked after a popular token lost 99% of its value, dragging down a so-called “stablecoin” with it. The companies behind stablecoins try to ensure they remain in parity with assets such as the US dollar – with one token equalling $1. And the combined market value of all crypto-currencies is now reportedly $1.12trillion, about a third of its November value, with more than 35% of that loss coming this week. Should crypto asset be insured ?

