ils ">
  <h3 class="signature " id="sign-instance_method">
  
    #<strong>sign</strong>(key)  &#x21d2; <tt>Object</tt> 
  

  

  
</h3><div class="docstring">
  <div class="discussion">
    
<p>Signs the Open Transactions with the provided key</p>


  </div>
</div>
<div class="tags">
  <p class="tag_title">Parameters:</p>
<ul class="param">
  
    <li>
      
        <span class='name'>key</span>
      
      
        <span class='type'>(<tt>Eth::Key</tt>)</span>
      
      
      
        &mdash;
     