Jun 14, 2020
https://cryptooof.com/decentralized-databases-rid-of-centralized-control/
Contract tracing despite being illicit as it breaches user privacy has become vital during the COVID-19 in a bid to prevent the drastic spread of the pandemic. China and South Korea became the successful implementers of this technology. But the attempt of executing contract tracing technology across Europe kept continuing, however they were not completely successful.