The JSON file contains supplementary material for the paper ‘Survey of Decentralized Solutions with Mobile Devices for User Location Tracking, Proximity Detection, and Contact Tracing in the COVID-19 Era”. The document contains a list of the contact-tracing applications available worldwide. 

The file structure is self-explanatory; each row has an explanation of the information it presents. Therefore, we list the countries and the most popular applications in use; we provide information on the type of decision-making approach and a protocol name. 

The data is updated, as of January 2021.

Example entry:

{
 	"Country": "Austria",
 	"Application": 
[
	{
  	"Name": "StoppCorona",
   	"Centralization": "Decentralized",
  	"Protocol": "GAEN"
	}
] 
}
