tle="Is Ether needed for transaction fees?" class="md-nav__link">
      Is Ether needed for transaction fees?
    </a>
  </li>

        
          
          
          


  <li class="md-nav__item">
    <a href="../../../../questions-about-ethereum/if-ethereum-is-open-source-why-cant-it-be-copied/" title="If Ethereum is open source why can't it be copied?" class="md-nav__link">
      If Ethereum is open source why can't it be copied?
    </a>
  </li>

        
          
          
          


  <li class