About

Protohackers is a casual programming challenge in which you create servers for network protocols.

• You are given a network protocol spec.
• You implement the server and inputs its IP address and port number.
• Your server is automatically checked.
• Once all checks pass, your solve time goes onto a global leaderboard.
• They start easy and get harder.

Protohackers is created by James Stanley. Feel free to email me on jes@protohackers.com or join the Discord group or follow @Protohackerscom on Twitter.