Here is a very useful Cinema 4D Python Tag to create decrypting text animation. Create a text object and add python tag. (Right Click and choose Python Tag from Programming Tags.)

You can set text size, horizontal and vertical space as usual from text settings. You should only enter your string in Userdata field.

Create an User Data before using it.

Add String (ID:1) as String Data Type.
And Duration (ID:2) as Integer Data Type.
Python Tag Encrypt Decrypt Text for Cinema 4D (0 downloads )