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+![Logo: кошка Свинья](https://i.imgur.com/kZc0el8.png)
+
 # catpig
-A memory-hard KDF
+
+[![License](https://img.shields.io/badge/License-CC0-blue)](https://github.com/hakavlad/catpig/blob/main/LICENSE)
+
+`catpig` is a memory-hard key derivation function.
+
+## Requirements
+
+- Python >= 3.6
+