The client has the private key, the server has the corresponding public key in its authorized keys file.

The server is vulnerable to the private key getting stolen from the client.

Use the DNS challenge instead? You’ll need a DNS provider with an API though

It’s comfort food. Never pushing the envelope much, but always high quality.

Note that the first game came out in 1986. These remakes will look great and put some modern conveniences on… But it will still be a game from 1986. If you want a modern DQ then 11 is great.