# Note: depends on Python
wget -c https://pypi.python.org/packages/f9/e5/99ebb176e47f150ac115ffeda5fedb6a3dbb3c00c74a59fd84ddf12f5857/ecdsa-0.13.tar.gz
tar -xzf ecdsa-0.13.tar.gz
cd ecdsa-0.13
python3 setup.py build
python3 setup.py install # as root