nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqyhj4ua6580h3w0kucwwrtwl4uv9pg7m2drxzplq5x3364jczp36sl7u7p7 Sure, you can block them at the webserver layer like: https://www.xmodulo.com/block-specific-user-agents-nginx-web-server.html
However, if their scraper lies about the user-agent, there...