diff --git a/main.typ b/main.typ
index 06f0f86..cfb34b6 100644
--- a/main.typ
+++ b/main.typ
@@ -18,7 +18,11 @@
   )
 
 ][
+- The PiN_TRY_COUNTER is prone to turn off attacks.
+  Each time the chip resets the ram value of the counter is cleared and one gets basically infinite retries.
   todo solution
+- Depending on the implementation of the comparison operation, it might leak side-channel information.
+  For example, if the comparison is done byte-wise, the attacker can determine the correct byte by comparing the time it takes to compare the bytes.
 ]
 
 #prob[