title: How to hide code in VBA applications
body: <p>Is it possible to hide VBA code, normally accessible from Excel's VBA Editor (<kbd>Alt</kbd>-<kbd>F11</kbd>), from a user's prying eyes? Can I, for instance, sign it with a digital signature?</p>
  
  <p>Standard VBA project password protection is not suitable in this case because it can be cracked relatively easily.</p>