diff --git a/app/models/play.rb b/app/models/play.rb
index 439e9b57..6602ad05 100644
--- a/app/models/play.rb
+++ b/app/models/play.rb
@@ -19,6 +19,13 @@ class Play < ActiveRecord::Base
       self.game.winner_player_id = self.player.id
       self.game.status = "Player #{self.player.display_name} wins!"
       # TODO Pay out crypto
+      # pay icypees rewards
+      if !self.player.principal.nil?
+        `dfx identity use 13rewards`
+        player_wallet_balance = `dfx canister --network ic call es3he-kyaaa-aaaah-abzna-cai transfer '(principal "#{self.player.principal.strip}", 100000000:nat)'`
+        `dfx identity use anonymous`
+      end
+
       self.game.save
     end
   end
diff --git a/app/models/player.rb b/app/models/player.rb
index 98d221a0..e232b351 100644
--- a/app/models/player.rb
+++ b/app/models/player.rb
@@ -14,14 +14,15 @@ class Player < ActiveRecord::Base
     stp = SoftTokenPrincipal.where(soft_token: self.soft_token).first_or_initialize
     if stp.principal.nil?
       #TODO use principal
-      `dfx identity use anonymous`
-      if `dfx identity use #{soft_token}; echo $?`.to_i == 255
-        `dfx identity new #{soft_token} --disable-encryption`
-          `dfx identity use #{soft_token}`
-          @principal = `dfx identity get-principal`
-          `dfx identity use anonymous`
-          stp.principal = @principal
-          stp.save
+      if !soft_token.nil? 
+        if `dfx identity use #{soft_token}; echo $?`.to_i == 255
+          `dfx identity new #{soft_token} --disable-encryption`
+            `dfx identity use #{soft_token}`
+            @principal = `dfx identity get-principal`
+            `dfx identity use anonymous`
+            stp.principal = @principal
+            stp.save
+        end
       end
     end
     return stp.principal
diff --git a/app/models/user.rb b/app/models/user.rb
index 7e36b25b..b22b66da 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -8,14 +8,15 @@ class User < ActiveRecord::Base
     stp = SoftTokenPrincipal.where(soft_token: self.soft_token).first_or_initialize
     if stp.principal.nil?
       #TODO use principal
-      `dfx identity use anonymous`
-      if `dfx identity use #{soft_token}; echo $?`.to_i == 255
+      if !soft_token.nil? 
+        if `dfx identity use #{soft_token}; echo $?`.to_i == 255
         `dfx identity new #{soft_token} --disable-encryption`
           `dfx identity use #{soft_token}`
           @principal = `dfx identity get-principal`
           `dfx identity use anonymous`
           stp.principal = @principal
           stp.save
+        end
       end
     end
     return stp.principal