diff --git a/src/slides.md b/src/slides.md
index d547a65..17e21a3 100644
--- a/src/slides.md
+++ b/src/slides.md
@@ -360,11 +360,179 @@ Risultato: giugno 2021 [**sks-keyservers.net shutdown**](https://lists.nongnu.or
    <small>nslookup __${hex(sha256("alice"))}__._openpgpkey.__openpgp.example__.</small>
 - LDAP, Keybase, Autocrypt, ...
 
+---
+<style scoped>
+  p {margin-top: 6px; font-size: 22px}
+  table {font-size: 22px; width: 100%; margin:25px 0 15px 0;}
+  td, th {border: solid 1px #ccc}
+  small em {font-size: 22px}
+  em sup {display: inline-block; margin-left: 10px; font-size: 14px}
+</style>
+# Keystore a confronto
+
+<table>
+  <thead>
+    <tr>
+        <th rowspan="2">Property</th>
+        <th colspan="3">General Purpose Keyservers</th>
+        <th colspan="2">Domain-restricted Keyservers</th>
+        <th colspan="3">Non-Keyserver Keystores</th>
+    </tr>
+    <tr>
+        <th>Hockeypuck</th>
+        <th>Hagrid</th>
+        <th>Onak</th>
+        <th>Mailvelope</th>
+        <th>Proton</th>
+        <th>WKD</th>
+        <th>LDAP</th>
+        <th>Keybase</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+        <td>Decentralisation</td>
+        <td>Yes<sup>1</sup></td>
+        <td>No</td>
+        <td>Yes<sup>2</sup></td>
+        <td>No</td>
+        <td>No</td>
+        <td>Yes<sup>3</sup></td>
+        <td>No</td>
+        <td>No</td>
+    </tr>
+    <tr>
+        <td>Generality</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>No</td>
+        <td>No</td>
+        <td>No</td>
+        <td>No</td>
+        <td>Yes</td>
+    </tr>
+    <tr>
+        <td>UID verification</td>
+        <td>No</td>
+        <td>Yes</td>
+        <td>No</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>No</td>
+    </tr>
+    <tr>
+        <td>Non-email UIDs</td>
+        <td>Yes</td>
+        <td>No</td>
+        <td>Yes</td>
+        <td>No</td>
+        <td>No</td>
+        <td>No</td>
+        <td>Yes</td>
+        <td>Yes</td>
+    </tr>
+    <tr>
+        <td>UID search</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes<sup>(?)</sup></td>
+    </tr>
+    <tr>
+        <td>Fingerprint search</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>No</td>
+        <td>Yes</td>
+        <td>No</td>
+    </tr>
+    <tr>
+        <td>Certifications</td>
+        <td>Yes</td>
+        <td>Limited</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+    </tr>
+    <tr>
+        <td>Self-sovereignty</td>
+        <td>In progress</td>
+        <td>Limited</td>
+        <td>No</td>
+        <td>Yes<sup>(?)</sup></td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+    </tr>
+    <tr>
+        <td>Key deletion</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes<sup>(?)</sup></td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+    </tr>
+    <tr>
+        <td>HKP API</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Yes</td>
+        <td>Limited</td>
+        <td>Limited</td>
+        <td>No</td>
+        <td>No</td>
+        <td>No</td>
+    </tr>
+  </thead>
+</table>
+
+<small>_<sup>1</sup>By syncronization <sup>2</sup>By forwarding <sup>3</sup>By delegation_</small>
+
+Fonte: Andrew Gallagher, [_The State of the Keyservers in 2024_](https://blog.pgpkeys.eu/state-keyservers-2024.html) (gennaio 2024)
 
 ---
-# TODO
+<style scoped>
+  p{margin-top: 10px; font-size: 22px}
+  table {font-size: 19px; width: 100%;margin-top:10px;}
+  td, th {border: solid 1px #ccc}
+  em small {font-size: 22px}
+  em sup {display: inline-block; margin-left: 10px; font-size: 14px}
+</style>
+# Keystore a confronto
+
+|                                | autocrypt | attachment  | embedded certificate subpacket | URL header | HKP over email | HKPS        | WKD         | DANE          | Tor OHTTP+HKP |
+| ------------------------------ | --------- | ----------- | ------------------------------ | ---------- | ---------------- | ----------- | ----------- | ------------- | ------------- |
+| transport method               | inband    | inband      | inband                         | inband     | inband           | out of band | out of band | out of band   | out of band   |
+| no leakage                     | ✓         | ✓           | ✓                              |            |                  |             |             |               | ✓             |
+| constrained network            | ✓         | ✓           | ✓                              |            | ✓                |             |             |               |               |
+| no SPOF                        | ✓         | ✓           | ✓                              |            | ✓                | ?           | ✓           | ✓             | ?             |
+| zero roundtrip                 | ?         |             |                                |            | ✓                | ✓           | ✓           | ✓             | ✓             |
+| independent of domain operator | ✓         | ✓           | ✓                              | ✓          | ✓                | ✓           |             |               | ✓             |
+| freshness                      |           |             |                                | ✓          | ✓                | ✓           | ✓           | ✓             | ✓             |
+| freshness for opt out          | ?         |             |                                | ✓          | ✓                | ✓           | ✓           | ✓             | ✓             |
+| easy delegation                |           |             |                                |            |                  |             | ?           | ✓             |               |
+| integrity in transit           |           | ✓ (if DKIM) | ✓ (if DKIM)                    |            | ✓ (if DKIM)      | ✓           | ✓           | ✓ (if DNSSEC) | ✓             |
+| minimal work for user          | ✓         |             | ✓                              | ✓          | ✓                | ✓           | ✓           | ✓             | ✓             |
+
+Fonte: [_Minutes of the 8th OpenPGP Email Summit_](https://www.openpgp.org/community/email-summit/2024/minutes/) (giugno 2024)
 
-todo
 
 
 ---