Update README.rst

README.rst

@@ -148,3 +148,11 @@ Finally, upload the package distribution archive to `PyPI <https://pypi.org>`__:
 .. code-block:: bash
 
     python -m twine upload dist/*
+
+Disclaimer
+-----------
+
+Please note that tinysig implementation is a prototype implementation of the protocol presented `here <https://nillion.pub/threshold-ecdsa-preprocessing-setup.pdf>`__ and is only meant for educational purposes. The library is not audited and should not be used in production environments.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
+