Could digital COVID certificates being introduced across Europe help introduce travel for vaccinated travellers between the US and Europe?

Could digital COVID certificates being introduced across Europe help introduce travel for vaccinated travellers between the US and Europe? " The EU Digital COVID Certificate will facilitate safe free movement of citizens in the EU during the COVID-19 pandemic. The certificate will be introduced in EU Member States. Countries can start issuing and using it already and it will become available in all EU Member States as of 1 July 2021." https://bit.ly/3geCSvW