There is no feature in standard Q2A.
This is not point. And it is not daily bonus. But, it seems if user visits site in specific days, user gets badges in badge plugin. This plugin should have a hint for you. Your hope may be realized by remodeling this plugin.
However, this plugin seems to have some issues. I revised some issues of this plugin and equipped ASKIVE after having been improved. The lower image is the badge plugin options to be related in this topic.
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask here, in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.