1. JD Parry
    April 23, 2018 @ 2:27 pm

    Rolf, you have been an inspiration to many of us as well as a great source of knowledge.
    I am sure I speak for many others when I say thank you for all you have contributed to the community. We wish you the very best in your on going ventures.



  2. Giedrius
    April 24, 2018 @ 1:51 pm

    Your professional videos made me in to crypto world year ago. Before I thought it’s not serious thing.
    By the way, what ZEN pool would You suggest?


  3. Gerald Duncan
    July 7, 2018 @ 2:25 am

    Thinking Block Operations is defunct no?


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