Fluctuating values, bitcoin-bubbles, and means for funding criminal activities on the dark web. Whenever speaking of cryptocurrencies, the skepticism is very much apparent. However, despite of its reputation, the much debated currency entered the agenda during the Copenhagen Impact Investing Days held at CBS last week. Here, the future economy was discussed with an emphasis on how to integrate positive social and environmental impact alongside financial returns in investments. And exactly in this regard, the new blockchain technology may help the built up of a new and more sustainable economy. That said, as it looks today, the cryptocurrencies are yet...