diff --git a/hosts/athame/nixos/default.nix b/hosts/athame/nixos/default.nix
index 5b9a5159..f4e153dc 100644
--- a/hosts/athame/nixos/default.nix
+++ b/hosts/athame/nixos/default.nix
@@ -48,6 +48,16 @@
     from = 10000;
     to = 20000;
   }];
+
+   hexchen.network = {
+     enable = true;
+     pubkey = "55e3f29c252d16e73ac849a6039824f94df1dee670c030b9e29f90584f935575";
+     # if server, enable this and set endpoint:
+     listen.enable = false;
+     listen.endpoints = [
+       "tcp://0.0.0.0:0"
+     ];
+   };
   system.stateVersion = "20.09";
 }
 
diff --git a/hosts/dummy/nixos/default.nix b/hosts/dummy/nixos/default.nix
index 22fe9530..8dd0b45d 100644
--- a/hosts/dummy/nixos/default.nix
+++ b/hosts/dummy/nixos/default.nix
@@ -20,6 +20,8 @@ in {
     listen.enable = true;
     listen.endpoints = flatten (map (c: c.listen.endpoints) (filter (c: c.listen.enable) (attrValues hexYgg)));
     extra.pubkeys = {
+      satorin = "53d99a74a648ff7bd5bc9ba68ef4f472fb4fb8b2e26dfecea33c781f0d5c9525";
+      shanghai = "0cc3c26366cbfddfb1534b25c5655733d8f429edc941bcce674c46566fc87027";
     } // (mapAttrs (_: c: c.pubkey) hexYgg);
   };
 
diff --git a/hosts/samhain/nixos/default.nix b/hosts/samhain/nixos/default.nix
index 6b17ae7b..8798cd44 100644
--- a/hosts/samhain/nixos/default.nix
+++ b/hosts/samhain/nixos/default.nix
@@ -1,6 +1,13 @@
 { tf, config, pkgs, lib, profiles, sources, witch, ... }:
 
-{
+with lib;
+
+let
+  hexchen = (import sources.nix-hexchen) {};
+  hexYgg = filterAttrs (_: c: c.enable) (
+    mapAttrs (_: host: host.config.hexchen.network) hexchen.hosts
+  );
+in {
   imports = [
     ./hw.nix
     profiles.gui
@@ -89,6 +96,17 @@
     ];
   services.avahi.enable = true;
 
+  hexchen.network = {
+    enable = true;
+    pubkey = "a7110d0a1dc9ec963d6eb37bb6922838b8088b53932eae727a9136482ce45d47";
+    # if server, enable this and set endpoint:
+    listen.enable = false;
+    listen.endpoints = [
+      "tcp://0.0.0.0:0"
+    ];
+  };
+
+
   system.stateVersion = "20.09";
 }
 
diff --git a/hosts/yule/nixos/default.nix b/hosts/yule/nixos/default.nix
index 9040c031..90e617d0 100644
--- a/hosts/yule/nixos/default.nix
+++ b/hosts/yule/nixos/default.nix
@@ -25,6 +25,15 @@
   networking.interfaces.wlp2s0.useDHCP = true;
   networking.networkmanager.enable = true;
 
+   hexchen.network = {
+     enable = true;
+     pubkey = "9779fd6b5bdba6b9e0f53c96e141f4b11ce5ef749d1b9e77a759a3fdbd33a653";
+     # if server, enable this and set endpoint:
+     listen.enable = false;
+     listen.endpoints = [
+       "tcp://0.0.0.0:0"
+     ];
+   };
   system.stateVersion = "20.09";
 }