apt-get install ed25519
echo 549b7cb8d5499deddd24cea8a47c2aa3bdb520e01eaf72a410af27b5810e6a4d | xxd -ps -r > cafeface.pub
curl -sL cafeface.de/index.htm.ed25519 | ed25519-open 4< cafeface.pub | w3m -T text/html -dump