Elon Musk tried to help explain Bitcoin to J.K. Rowling in a bizarre Twitter exchange, and said central banks have made cryptocurrency 'look solid by comparison'

· JK Rowling asked Twitter to explain bitcoin to her, and was bombarded by replies — including from Elon Musk.
· Rowling ultimately gave up engaging with the topic, a decision Musk supported.
· In the process, he took a swipe at conventional central banks, which he said had undermined their credibility and made even...