On another down day, we're talking U.S. warnings on digital assets, a brief history of troubled but systemically important stablecoin "Tether" with Sebastian Sinclair, and a look at the arms-race in blockchain mining technology.On today’s episode:Crypto and traditional markets updateNew Comments out of US and ECBA Brief History of Tether with CoinDesk's Sebastian SinclairCasualties Ahead in the Cryptocurrency Mining Arms RaceTune in as CoinDesk podcasts editor Adam B. Levine and senior markets reporter Brad Keoun run down recent action in the markets, interesting longer-term trends and some of the most important crypto industry developments of the day.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.