diff --git a/data/23/events/utxo/data.json b/data/23/events/utxo/data.json
index 26f7dff..b371c80 100644
--- a/data/23/events/utxo/data.json
+++ b/data/23/events/utxo/data.json
@@ -313,7 +313,8 @@
       "desc": "Filippo has a PhD in statistics & drone engineering. He previously taught statistical computing and data analysis. Filippo strongly believes in the Web3 vision of having a privacy-focused, secure, and decentralized internet where power is given back to the users. The complexity of Web3 technology can be intimidating, and it is still a major blocking element behind mainstream adoption. Filippo is excited to educate professionals and the general public about Web3 and blockchain technology.\n",
       "tracks": [
         "zaklady",
-        "alty"
+        "alty",
+        "polkadot"
       ],
       "country": "ch",
       "pretalxId": "SM8E9Q",
@@ -1476,7 +1477,8 @@
       "tracks": [
         "defi",
         "alty",
-        "spolecnost"
+        "spolecnost",
+        "polkadot"
       ],
       "country": "cz",
       "pretalxId": "W7VZNR",
@@ -1577,7 +1579,8 @@
       },
       "tracks": [
         "alty",
-        "defi"
+        "defi",
+        "polkadot"
       ],
       "country": "cz",
       "desc": "Zakladatel Polkadot, Dfinity a Solana komunit v ČR a na Slovensku. Nejblíže je mi ovšem [Polkadot](https://polkadot.network/), proto jsme založili značku [Polkadotters](https://polkadotters.medium.com/) pod kterou pravidelně píšeme pro mezinárodní publikum a zároveň provozujeme validátory na Polkadotu, Kusamě a téměr všech ostatních parachainech.\n",
@@ -1716,7 +1719,8 @@
       "orgs": "Founder of [CCTF](https://cryptoctf.org/) and [Polkadot](https://polkadot.network/) Head Ambassador.\n",
       "caption": "Web3 security auditor and consultant\n",
       "tracks": [
-        "nft"
+        "nft",
+        "polkadot"
       ],
       "web": {
         "url": "https://sixthedave.me"
@@ -1954,7 +1958,8 @@
       "caption": "Crafting the world, one pixel at a time\n",
       "tracks": [
         "zaklady",
-        "nft"
+        "nft",
+        "polkadot"
       ],
       "country": "sk",
       "desc": "Co-founder of @KodaDot\nExperimental brewer @SubWorkBled\nCrafting the world, one pixel at a time.\n",
@@ -2069,7 +2074,8 @@
       "orgs": "[KodaDot](https://kodadot.xyz/) CEO\n",
       "caption": "Progresivní web3 kouzelník, Solarpunk futurist\n",
       "tracks": [
-        "dao"
+        "dao",
+        "polkadot"
       ],
       "country": "sk",
       "desc": "🔆 🌘 Solar ⚔️  Lunar punk ⏳💾  Accumulating History 🦠🧠 Senescent cells are bad 🥽🖼️  @KodaDot @SubWorkBled\n",
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