Each and every card on Supernotes has the ability to be shared using a share link. By default cards are not shared and are only viewable to you.
You can generate a new share link in the 'Sharing Options' of a card (third icon along the bottom). This code allows other users on Supernotes to join and interact with a card, with varying permissions.
Share links are based on our a code is comprised of four randomised English words like so,
Books Plane Phone Letter . And before you say 'That doesn't sound very secure', it actually results in an incredibly secure code, that would take current computers 185 years to crack (at 1000 guesses per second).