In the bustling streets of Córdoba, Argentina, on a crisp autumn afternoon in 2025, a local entrepreneur named María stands at her small electronics shop counter. She’s staring at her phone: the peso has slipped another 3% against the dollar overnight. Her savings in the bank are evaporating faster than she can sell inventory. But she doesn’t panic like she did in 2023. Instead, she opens her wallet app, checks the automatic interest accrual...