In the past twelve years, bitcoin moved from the obscure corners of the internet to the mainstream. Last week marked a milestone for cryptocurrency as investors started trading the first US bitcoin futures exchange-traded fund (ETF). These funds invest in bitcoin futures contracts, or agreements to buy or sell the asset later for an agreed-upon price, rather than bitcoin directly. On this podcast, find out what ETFs are, the obstacles bitcoin overcame, and the benefits of investing in bitcoin ETFs.