What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
The reason why you cannot access the link to the thread from the previous post is because it was already set as "Private".
With regards to your concern about hiding the input in a field similar to a password field, you can add the CSS codes below:
Where #input_3 is the field ID of the field that you would like its input not to show. (Please see screenshot below)
Here's the link to the form where I have applied the changes shown in the screenshot above.
Please let us know if you have any other questions or concerns. Thank you.