Janet Yellen (the 78th United States Secretary for the Treasury) spoke Friday morning on CNBC’s flagship business and politics show Squawk Box, on an array of topics from the growth of the renewable energy sector amid Russia’s economic isolationThe rising inflation rates and Federal Reserve responsibility as well as her perspective on digital assets.

Recognizing the multitude of technological and societal advancements within the cryptocurrency space over the past few years, Yellen offered a friendlier, more receptive tone than on previous occasions, stating that crypto is “now playing a significant role, not really so much in transactions, but in investment decisions of lots of Americans.”