diff --git a/blockchain/diophantine_equation.py b/blockchain/diophantine_equation.py
index ae6a145d2922..02ff3ffd2f57 100644
--- a/blockchain/diophantine_equation.py
+++ b/blockchain/diophantine_equation.py
@@ -1,5 +1,4 @@
 from __future__ import annotations
-
 from maths.greatest_common_divisor import greatest_common_divisor
 
 
@@ -100,6 +99,8 @@ def extended_gcd(a: int, b: int) -> tuple[int, int, int]:
     return (d, x, y)
 
 
+# This is very efficient
+
 if __name__ == "__main__":
     from doctest import testmod