Return on investment (ROI) is a performance measure used to evaluate the efficiency of an investment or compare the efficiency of several investments.

Due to insufficient scalability, the existing consortium chain cannot meet the requirements of low latency, high throughput, and high security when applied to Internet of Vehicles (IoV) data sharing.

Medical news, education and information for physicians and health care professionals, presented by specialty and topic. From Healio and the Wyanoke Group.