41 Production of course material distributed at management lectures, namely, text books and learning software relating to blockchain technology or cryptocurrency; Production of course material distributed at professional courses, namely, text books and learning software relating to blockchain technology or cryptocurrency; Production of course material distributed at vocational courses, namely, text books and learning software relating to blockchain technology or cryptocurrency; Production of course material distributed at management courses, namely, text books and learning software relating to blockchain technology or cryptocurrency; Production of course material distributed at vocational seminars, namely, text books and learning software relating to blockchain technology or cryptocurrency; Production of course material distributed at professional seminars, namely, text books and learning software relating to blockchain technology or cryptocurrency; Production of course material distributed at management seminars, namely, text books and learning software relating to blockchain technology or cryptocurrency; Production of course material distributed at professional lectures, namely, text books and learning software relating to blockchain technology or cryptocurrency; Production of course material distributed at vocational lectures, namely, text books and learning software relating to blockchain technology or cryptocurrency