Judy Woodruff:

You have probably heard about the rise and fall of Bitcoin and other cryptocurrencies. But what you may not have about is the incredible amount of energy computers need to get Bitcoin and other currencies in the first place.

That demand, in turn, is affecting the prices of electricity in some places.

And that's where our economics correspondent, Paul Solman, comes in to help explain these connections.

It's part of our weekly series Making Sense.