Here is how it compares to the old physical device:

However, maintaining this hardware is expensive. HSBC estimates that millions of units have been shipped globally, many of which are now sitting in drawers with dead batteries. Because the battery is soldered onto the circuit board in most older models (Digipass 870, 875, and 900),

: Use your regional telephone banking number (e.g., HSBC Expat : +44 1534 616 171 ) to request a physical replacement.

Weeks passed. The new Key did what it said: it made transactions smoother, it denied the bad actors and whispered green checks when purchases went through. But more interestingly, it changed how people treated certainty. Her friend Jonah—who hoarded spreadsheets like prayers—started paying for things without panic. Her mother phoned less often to ask if she’d paid a bill; the calls became lighter, about small things like a new recipe or a stray neighbour’s cat. The Secure Key didn’t solve everything; it did something rarer: it rearranged the margins of worry into small, useful silences.