="twitter:site" content="@lopp">
  <meta name="twitter:creator" content="@lopp">
  <meta name="twitter:image" content="https://www.lopp.net/images/avatar.jpg">

  <meta property="og:type" content="website">
  <meta property="og:description" content="Bitcoin Security resources.">
  <meta property="og:image" content="https://www.lopp.net/images/avatar.jpg">
  <meta property="og:url" content="https://www.lopp.net/bitcoin-information/security.html">
  <meta property="og:title" content="Bitcoin Security">

  <li