diff --git a/ideas/095-les-service-model/log.md b/ideas/095-les-service-model/log.md
index 232f590..80856f9 100644
--- a/ideas/095-les-service-model/log.md
+++ b/ideas/095-les-service-model/log.md
@@ -1,5 +1,13 @@
 ## Logfile
 
+### 2018-04-12
+
+- Exchange about observer chain/chain filters and sharding
+- Discussion about how observer chain/chain filter possibly gut address scaling problems
+- Exchange about different micropayment approaches
+- Start drafting a common pluggable API for different micropayment solutions for integration
+  into the LES Service Model
+
 ### 2018-04-09
 
 - Zsolt tries to finish the technical documents and the outline of building blocks this week