I created a public Trello board, but I want to create some private cards which are only visible to me (Admin). Is it possible to do directly in the public board or is there any other workaround for this purpose?
It is just like internal reference cards in the Trello development board, however it is only useful in describing a related private card in another board to the related members. Creating another private board would be redundant.
Best Answer
You can't create private cards - a workaround is to create a private board, and refer to the card by adding a link to the card in the private board n the description.
Your example does pretty much that