A cold climate and cheap energy have made Russia a destination for bitcoin mining. But new factors confront its cryptocurrency efforts.

The 2-year moratorium prevents the repurposing of fossil-fuel burning power plants into crypto mining operations.

London, already a major foreign exchange market, wants to be the same for crypto.

And companies may have good reasons not to.

Over the past decade, digital currencies (particularly bitcoin) have exploded in popularity.

Ingredients: Tens of thousands of powerful computers, enough energy to power all of Poland. Yield: More than $30 million in newly minted bitcoin every day.

The most expensive 30-second spots went for $7 million, NBC says. Coinbase, FTX and Crypto.com were some of the advertisers.

On Wednesday, the Nasdaq lost more than 3%. The S&P 500 sank nearly 2%. Cryptocurrencies fell, too. Is that all related?

Charities may face questions about taking bitcoin gifts that they wouldn’t face with donations in other forms, like cash or stock.

This year, Glauber Contessoto invested his life savings in the cryptocurrency dogecoin. Now he has more than $800,000 worth.