With a rising number of businesses requiring employees to get COVID vaccinations, having easy access to vaccine confirmation cards has become a necessity. Denis Mars, founder and CEO of Proxy Health, joined Cheddar’s Opening Bell to talk about the company's digital vaccine pass and how businesses can utilize them to help maintain safety in workspaces. Regarding privacy concerns, Mars also talked about user health data security and how the Proxy Health Pass verifies the authenticity of a physical vaccine card.