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      </div>
      <div class="vid col-xs-12 col-lg-offset-0 col-lg-6 col-md-offset-0 col-md-6 col-sm-6">
        <p class="h4"><a href="https://www.youtube.com/watch?v=n3Md7m4UQSQ" target="_blank" rel="noopener">Preventing Attacks on Bitcoin</a></p> Bitcoin 2022
        <br>
        (<a href="/media-archive/presentations/Bitcoin_2022-Preventing_Attacks_On_Bitcoin.mp4">Video File</a>) (<a href="/media-archive/presentations/Bitcoin_2022-Preventing_Attacks_On_Bitcoin.mp3">Audio File</a>) (<a href="/