Bitcoin miners are devouring energy at a record pace during the cryptocurrency runup
After recovering from a near-death experience during the most recent crypto winter, Bitcoin miners are back in survival mode — spending billions of dollars on equipment and drawing energy at a record pace ahead of an update in the digital currency's code that threatens revenue streams.
The surge in activity is sparked by a runup in the world's largest cryptocurrency, fueled by newly launched spot Bitcoin exchange-traded funds, and a quadrennial event called the halving that is slated to take place in April. Bitcoin has…