Bravado aside, the comments explain why Musk rebranded Twitter to X in July – X.com was an early online bank he created around the turn of the millennium, which eventually became PayPal. Before he built Tesla and SpaceX, Musk’s target was the lack of innovation in US banks. More than twenty years later, he still sniffs an opportunity. Block head Jack Dorsey’s relationship with Elon Musk appears to have cooled. Getty Dorsey has been thinking along similar lines. Since departing Twitter in 2021, his sole focus has been on financial services as head of Block (dual-listed on the ASX after...