Although, as stated, there are built in positive-feedback mechanisms that will help to confirm a found key for Digital Buried Treasure #1, I have decided to provide a place here where you may test them at your leisure.
This is NOT the treasure chest. You must still find that on your own.
Each link below will direct you to a password protected page. The password for each page is the the key. If you enter the key correctly, you will enter a page that says: “You have correctly entered the key.”