This type of account allows you to keep under control the flow of money of a certain activity, without interfering with the rest of the application.
To set an account as hidden, press the small switch under the account name in the Account page. (Pro or subscription required)
In this way, the transactions inside it will not be counted in the total and not shown in chart and reports.
Examples of use
You have a small business that generates profits and expenses.
You can insert the movement of money in the various accounts (bank, wallet or other) and then duplicate the transaction in a hidden account.
Doing this you can see where you actually have the money and, at the same time, check how is going your business.