diff --git a/blockchain/chinese_remainder_theorem.py b/maths/chinese_remainder_theorem.py
similarity index 100%
rename from blockchain/chinese_remainder_theorem.py
rename to maths/chinese_remainder_theorem.py
diff --git a/blockchain/modular_division.py b/maths/modular_division.py
similarity index 100%
rename from blockchain/modular_division.py
rename to maths/modular_division.py