diff --git a/data/23/events/dotprague/data.json b/data/23/events/dotprague/data.json
index e6237bf..243fdfc 100644
--- a/data/23/events/dotprague/data.json
+++ b/data/23/events/dotprague/data.json
@@ -1,5 +1,13 @@
 {
   "speakers": [
+    {
+      "id": "0xevolve",
+      "name": "0xevolve",
+      "caption": "Pragma",
+      "twitter": "0xevolve",
+      "photoUrl": "https://dotprague.xyz/wp-content/uploads/2023/05/KGVLQ-4R_400x400.jpg",
+      "photo": "photos/speakers/0xevolve.jpg"
+    },
     {
       "id": "alex-muller",
       "name": "Alex Müller",
diff --git a/data/23/events/dotprague/photos/speakers/0xevolve-150px.op.webp b/data/23/events/dotprague/photos/speakers/0xevolve-150px.op.webp
new file mode 100644
index 0000000..bda200e
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diff --git a/data/23/events/dotprague/photos/speakers/0xevolve-300px.op.webp b/data/23/events/dotprague/photos/speakers/0xevolve-300px.op.webp
new file mode 100644
index 0000000..8e1c1b7
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diff --git a/data/23/events/dotprague/photos/speakers/0xevolve-500px.op.webp b/data/23/events/dotprague/photos/speakers/0xevolve-500px.op.webp
new file mode 100644
index 0000000..f6399c8
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diff --git a/data/23/events/dotprague/photos/speakers/0xevolve.jpg b/data/23/events/dotprague/photos/speakers/0xevolve.jpg
new file mode 100644
index 0000000..b3e64f0
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diff --git a/data/23/events/dotprague/photos/speakers/0xevolve.op.webp b/data/23/events/dotprague/photos/speakers/0xevolve.op.webp
new file mode 100644
index 0000000..d5a039d
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diff --git a/data/23/events/utxo/data.json b/data/23/events/utxo/data.json
index bde9ec2..492c8ea 100644
--- a/data/23/events/utxo/data.json
+++ b/data/23/events/utxo/data.json
@@ -1787,6 +1787,7 @@
       "bio": "Strategy & Operations",
       "orgs": "[Kraken](https://www.kraken.com/) Digital Asset Exchange.\n",
       "caption": "Strategy & Operations\n",
+      "lead": true,
       "tracks": [
         "zaklady",
         "regulace",