An ecosystem-specific digital payment system called a "closed-loop wallet" enables consumers to make purchases solely from one brand, retailer, or service provider. Users can add money to their ...

Objective To describe the epidemiology of injuries and illnesses sustained during the Beijing 2022 Paralympic Winter Games, organised in a closed-loop environment to adhere with COVID-19 restrictions.

People with type 1 diabetes require continuous insulin treatment and must regularly measure their glucose levels. With open-loop therapies, insulin administration is manually controlled, while hybrid ...