There has been quite a bit of buzz on this topic in the media:
CDC guidance for vaccinated travelers puts new urgency on state’s ‘vaccine passport’ plans (hawaiinewsnow.com)
Hawaii considering vaccine passports for inter-island travel (usatoday.com)
Maui County looks into vaccine passport program | News, Sports, Jobs - Maui News
...etc.
My wife and I received our first doses of Pfizer this week, and as a result we are anxious to be able to ditch the high stress 72-hour tests and just be able to show proof of vaccination come May. Most of what I have read seems to indicate that the state is going to start with the CDC cards, and might move to an electronic passport program.
When do folks think this is going to happen?