diff --git a/spec/22/events.yaml b/spec/22/events.yaml
index a02b3b5..f30b714 100644
--- a/spec/22/events.yaml
+++ b/spec/22/events.yaml
@@ -404,6 +404,17 @@
     - Lightning Network
     - platby
 
+- id: braiins
+  type: lightning
+  name: Braiins
+  track: btc
+  speakers: [ kristian-csepcsar ]
+  duration: 10
+  parent: lokalni-projekty-intro
+  tags:
+    - Bitcoin
+    - mining
+
 - id: pwn
   type: lightning
   name: PWN Finance
diff --git a/spec/22/photos/speakers/kristian-csepcsar-twitter.jpg b/spec/22/photos/speakers/kristian-csepcsar-twitter.jpg
new file mode 100644
index 0000000..49e004f
Binary files /dev/null and b/spec/22/photos/speakers/kristian-csepcsar-twitter.jpg differ
diff --git a/spec/22/photos/speakers/kristian-csepcsar-web.jpg b/spec/22/photos/speakers/kristian-csepcsar-web.jpg
new file mode 100644
index 0000000..8495f33
Binary files /dev/null and b/spec/22/photos/speakers/kristian-csepcsar-web.jpg differ
diff --git a/spec/22/speakers.yaml b/spec/22/speakers.yaml
index 36fff82..9e11547 100644
--- a/spec/22/speakers.yaml
+++ b/spec/22/speakers.yaml
@@ -512,3 +512,11 @@
   country: cz
   tracks: [ regulace ]
 
+- id: kristian-csepcsar
+  name: Kristian Csepcsar
+  twitter: kristiancsep
+  orgs: |
+    Marketingový ředitel @ [Braiins](https://braiins.com/) a [Slush Pool](https://slushpool.com/en/home/)
+  country: cz
+  tracks: [ btc ]
+