21:23 quick read: mining companies balance energy costs with AI infrastructure demand

Some operators are reviewing whether compute capacity should serve crypto, AI or both. Added as a separate September 21 update.

Mining economics now sit next to a broader infrastructure story. Power contracts, data-center locations and hardware strategy determine whether operators stay focused on Bitcoin or diversify into AI workloads. This added item is written as a separate current update for 21:23: it keeps the factual topic, changes the wording and adds a fresh editorial angle for readers.

The newsroom added this as a new original brief without copying source wording or repeating earlier text.