SEO: list all blog posts in sitemap, add BlogPosting structured data

blog/proof-of-life.html

@@ -20,6 +20,33 @@
 <meta name="twitter:image" content="https://bitcoin-after.life/pitura/og-default.png">
 <meta name="theme-color" content="#2d6cdf">
 <link rel="canonical" href="https://bitcoin-after.life/blog/proof-of-life.html">
+<script type="application/ld+json">
+{
+  "@context": "https://schema.org",
+  "@type": "BlogPosting",
+  "headline": "Proof of Life Without Surveillance: How Your Wallet Tells the Protocol You're Still Here",
+  "description": "Bitcoin After Life never tries to detect death. How Check Alive works, why updating a will costs nothing while postponing it costs a transaction, and why the only proof of life the protocol sees is your own signature.",
+  "image": "https://bitcoin-after.life/blog/img/proof-of-life-cover.webp",
+  "datePublished": "2026-09-26",
+  "dateModified": "2026-09-26",
+  "author": {
+    "@type": "Organization",
+    "name": "Bitcoin After Life",
+    "url": "https://bitcoin-after.life/"
+  },
+  "publisher": {
+    "@type": "Organization",
+    "name": "Bitcoin After Life",
+    "url": "https://bitcoin-after.life/",
+    "logo": {
+      "@type": "ImageObject",
+      "url": "https://bitcoin-after.life/pitura/logo/Logo_nero.svg"
+    }
+  },
+  "mainEntityOfPage": "https://bitcoin-after.life/blog/proof-of-life.html",
+  "inLanguage": "en"
+}
+</script>
 <link rel="icon" type="image/x-icon" href="/pitura/ico/Logo_nero.ico">
 <link rel="icon" type="image/png" sizes="32x32" href="/pitura/ico/favicon-32.png">
 <link rel="icon" type="image/png" sizes="16x16" href="/pitura/ico/favicon-16.png">