diff --git a/cryptofuzz/b58.py b/cryptofuzz/bs58.py
similarity index 95%
rename from cryptofuzz/b58.py
rename to cryptofuzz/bs58.py
index b3d85a8..fb9c788 100644
--- a/cryptofuzz/b58.py
+++ b/cryptofuzz/bs58.py
@@ -133,4 +133,4 @@ def b58decode_check(
     if check != digest[:4]:
         raise ValueError("Invalid checksum")
 
-    return result
\ No newline at end of file
+    return result