diff --git a/README.md b/README.md
index 604201f..fbfed19 100644
--- a/README.md
+++ b/README.md
@@ -104,6 +104,7 @@ codex32 strings.
 Printable forms:
 
 - [codex32 recovery card](docs/user/recovery-card.html)
+- [codex32 recovery card, 256-bit](docs/user/recovery-card-256.html)
 - [wallet-verification record](docs/user/wallet-verification-record.html)
 
 ## For developers and reviewers
diff --git a/docs/user/guide.md b/docs/user/guide.md
index 7be6bcf..83fcc71 100644
--- a/docs/user/guide.md
+++ b/docs/user/guide.md
@@ -58,7 +58,9 @@ You will need:
 - Bitcoin Core 32 or newer, with its local RPC server enabled and
   `bitcoin-cli` available on `PATH`;
 - codex32 installed using the [README instructions](../../README.md#install);
-- one blank [codex32 recovery card](recovery-card.html) per secret or share; and
+- one blank codex32 recovery card per secret or share: the
+  [standard card](recovery-card.html) for 48-character backups (128-bit), or
+  the [256-bit card](recovery-card-256.html) for 74 characters; and
 - a separately stored [wallet-verification record](wallet-verification-record.html).
 
 Before running `create` for a real wallet, have your blank cards, a pen, and
diff --git a/docs/user/recovery-card-256.html b/docs/user/recovery-card-256.html
new file mode 100644
index 0000000..5b73eee
--- /dev/null
+++ b/docs/user/recovery-card-256.html
@@ -0,0 +1,72 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <title>codex32 recovery card: 74 characters</title>
+  <style>
+    @page { size: letter landscape; margin: 0.35in; }
+    * { box-sizing: border-box; }
+    body { color: #111; font: 11pt/1.25 sans-serif; margin: 0 auto; max-width: 10.3in; }
+    h1 { font-size: 19pt; margin: 0 0 0.08in; }
+    h2 { font-size: 12pt; margin: 0.13in 0 0.05in; }
+    p, ol { margin: 0.05in 0; }
+    .warning { border: 2px solid #111; font-weight: bold; padding: 0.08in; }
+    .fields { display: grid; gap: 0.08in 0.18in; grid-template-columns: 1fr 1fr; }
+    .field { border-bottom: 1px solid #111; min-height: 0.28in; }
+    .groups { counter-reset: box; display: flex; flex-wrap: wrap; gap: 0.1in 0.3in; }
+    .block { display: flex; gap: 0.08in; }
+    .group { border: 1px solid #555; height: 0.4in; position: relative; width: 0.72in; }
+    .group::before { color: #999; content: counter(box); counter-increment: box; font-size: 6pt;
+      left: 0.03in; position: absolute; top: 0.01in; }
+    .half { width: 0.36in; }
+    .small { font-size: 8.5pt; }
+    .footer { border-top: 1px solid #777; margin-top: 0.12in; padding-top: 0.05in; }
+    @media print { body { max-width: none; } }
+  </style>
+</head>
+<body>
+  <h1>codex32 recovery card: 74 characters (256-bit)</h1>
+  <p class="warning">
+    PROTECTED RECOVERY MATERIAL — keep offline. Do not photograph, upload, or enter this
+    text into a website, chat, or network-connected device.
+  </p>
+
+  <h2>Backup details</h2>
+  <div class="fields">
+    <div class="field">Threshold (shares needed):</div>
+    <div class="field">Four-character identifier:</div>
+    <div class="field">This share index:</div>
+    <div class="field">Wallet policy: single-key / multisig / other:</div>
+    <div class="field">Separate wallet record location(s):</div>
+  </div>
+
+  <h2>Protected codex32 text — copy exactly, four characters per box</h2>
+  <div class="groups" aria-label="19 blank groups: 18 of four characters, then one of two">
+    <span class="block"><span class="group"></span><span class="group"></span><span class="group"></span><span class="group"></span></span>
+    <span class="block"><span class="group"></span><span class="group"></span><span class="group"></span><span class="group"></span></span>
+    <span class="block"><span class="group"></span><span class="group"></span><span class="group"></span><span class="group"></span></span>
+    <span class="block"><span class="group"></span><span class="group"></span><span class="group"></span><span class="group"></span></span>
+    <span class="block"><span class="group"></span><span class="group"></span><span class="group half"></span></span>
+  </div>
+  <p class="small">The last box holds two characters. For 128-bit seeds and shares (48 characters),
+    use the <a href="recovery-card.html">standard card</a>.</p>
+
+  <h2>Offline recovery</h2>
+  <ol>
+    <li>Collect the stated threshold of cards with the same identifier and text length.</li>
+    <li>On a reviewed offline computer, install the owner’s archived codex32 release.</li>
+    <li>Run <code>codex32 check</code>. It validates but does not suggest corrections.</li>
+    <li>Restore the wallet using its documented Bitcoin Core recovery workflow.</li>
+    <li>Use the separate wallet record to verify the restored wallet before signing.</li>
+  </ol>
+
+  <h2>Manual fallback</h2>
+  <p class="small">
+    Keep a versioned offline copy of the <em>Codex32 Book Recovery Wheel and Translation
+    Worksheet</em>, file <code>2023-03-07--bw.pdf</code>, with the owner’s recovery kit.
+    Expected SHA-256: <code>0370ea863d2eae692408aeefa9b13c14283e520f45a00f7373ad933ccf418f2e</code>.
+    Follow that archived document if compatible software is unavailable.
+  </p>
+  <p class="footer small">Card revision 2 — BIP93/codex32 — one card per share or secret.</p>
+</body>
+</html>
diff --git a/docs/user/recovery-card.html b/docs/user/recovery-card.html
index 361e153..ada48b1 100644
--- a/docs/user/recovery-card.html
+++ b/docs/user/recovery-card.html
@@ -2,26 +2,29 @@
 <html lang="en">
 <head>
   <meta charset="utf-8">
-  <title>codex32 recovery card</title>
+  <title>codex32 recovery card: 48 characters</title>
   <style>
-    @page { size: letter; margin: 0.35in; }
+    @page { size: letter landscape; margin: 0.35in; }
     * { box-sizing: border-box; }
-    body { color: #111; font: 11pt/1.25 sans-serif; margin: 0 auto; max-width: 7.8in; }
+    body { color: #111; font: 11pt/1.25 sans-serif; margin: 0 auto; max-width: 10.3in; }
     h1 { font-size: 19pt; margin: 0 0 0.08in; }
     h2 { font-size: 12pt; margin: 0.13in 0 0.05in; }
     p, ol { margin: 0.05in 0; }
     .warning { border: 2px solid #111; font-weight: bold; padding: 0.08in; }
     .fields { display: grid; gap: 0.08in 0.18in; grid-template-columns: 1fr 1fr; }
     .field { border-bottom: 1px solid #111; min-height: 0.28in; }
-    .groups { display: grid; gap: 0.08in 0.12in; grid-template-columns: repeat(4, 1fr); }
-    .group { border: 1px solid #555; font: 15pt monospace; height: 0.32in; text-align: center; }
+    .groups { counter-reset: box; display: flex; flex-wrap: wrap; gap: 0.1in 0.3in; }
+    .block { display: flex; gap: 0.08in; }
+    .group { border: 1px solid #555; height: 0.4in; position: relative; width: 0.72in; }
+    .group::before { color: #999; content: counter(box); counter-increment: box; font-size: 6pt;
+      left: 0.03in; position: absolute; top: 0.01in; }
     .small { font-size: 8.5pt; }
     .footer { border-top: 1px solid #777; margin-top: 0.12in; padding-top: 0.05in; }
     @media print { body { max-width: none; } }
   </style>
 </head>
 <body>
-  <h1>codex32 recovery card</h1>
+  <h1>codex32 recovery card: 48 characters (128-bit)</h1>
   <p class="warning">
     PROTECTED RECOVERY MATERIAL — keep offline. Do not photograph, upload, or enter this
     text into a website, chat, or network-connected device.
@@ -36,18 +39,14 @@ <h2>Backup details</h2>
     <div class="field">Separate wallet record location(s):</div>
   </div>
 
-  <h2>Protected codex32 text — copy exactly in four-character groups</h2>
-  <div class="groups" aria-label="32 blank four-character groups">
-    <span class="group"></span><span class="group"></span><span class="group"></span><span class="group"></span>
-    <span class="group"></span><span class="group"></span><span class="group"></span><span class="group"></span>
-    <span class="group"></span><span class="group"></span><span class="group"></span><span class="group"></span>
-    <span class="group"></span><span class="group"></span><span class="group"></span><span class="group"></span>
-    <span class="group"></span><span class="group"></span><span class="group"></span><span class="group"></span>
-    <span class="group"></span><span class="group"></span><span class="group"></span><span class="group"></span>
-    <span class="group"></span><span class="group"></span><span class="group"></span><span class="group"></span>
-    <span class="group"></span><span class="group"></span><span class="group"></span><span class="group"></span>
+  <h2>Protected codex32 text — copy exactly, four characters per box</h2>
+  <div class="groups" aria-label="12 blank four-character groups">
+    <span class="block"><span class="group"></span><span class="group"></span><span class="group"></span><span class="group"></span></span>
+    <span class="block"><span class="group"></span><span class="group"></span><span class="group"></span><span class="group"></span></span>
+    <span class="block"><span class="group"></span><span class="group"></span><span class="group"></span><span class="group"></span></span>
   </div>
-  <p class="small">Leave unused boxes blank.</p>
+  <p class="small">For 256-bit seeds and shares (74 characters), use the
+    <a href="recovery-card-256.html">256-bit card</a>.</p>
 
   <h2>Offline recovery</h2>
   <ol>
@@ -65,6 +64,6 @@ <h2>Manual fallback</h2>
     Expected SHA-256: <code>0370ea863d2eae692408aeefa9b13c14283e520f45a00f7373ad933ccf418f2e</code>.
     Follow that archived document if compatible software is unavailable.
   </p>
-  <p class="footer small">Card revision 1 — BIP93/codex32 — one card per share or secret.</p>
+  <p class="footer small">Card revision 2 — BIP93/codex32 — one card per share or secret.</p>
 </body>
 </html>