Vaccine passports, such as the proposed digital versions, have the potential to facilitate the reopening of global travel by providing proof of COVID-19 vaccination. However, they also raise concerns about privacy, data security, and discrimination. Critics argue that these passports could exacerbate inequality, as not everyone has equal access to vaccines, especially in less developed countries. Moreover, they could create a "two-tier" society, where vaccinated individuals have more freedoms, while those unable or unwilling to vaccinate may be marginalized.

Another key issue is the risk of compromising sensitive health information, particularly through digital platforms, as well as the potential for these passports to be misused or extended beyond travel, limiting access to other essential services. Privacy advocates also worry about who controls the data and how it is shared with governments and corporations.

For more in-depth analysis, you can read the full article on Forbes.