The blockchain technology seminar is about to start, I would like to make the following explanation:
1. This is not a course, there is no textbook
2. Join voluntarily and withdraw freely. Only purely technical issues can be discussed in the group.
3. It is not required for every student to participate in all the discussion classes. If there is something you are interested in in a certain discussion class, you can participate in the discussion.
If the topic of a seminar does not interest you, then you do not have to attend the seminar.
4. Again, it is not a class, so the teacher does not speak alone. Any member of the discussion class can make a speech. The purpose of the discussion class is