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Comment by Lord_Zero | Hacker News Reader

I created a key with `ssh-keygen -t ed25519 -C "your_email@example.com"` and then connected with `ssh new@prose.sh` how did it know to use the new key I just created?

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It just tried out all keys you have until it worked. If you run `ssh new@prose.sh -v` you should see something like this after you closed the TUI:

  debug1: Authentications that can continue: publickey
  debug1: Next authentication method: publickey
  debug1: Offering public key: /home/tender_euler/.ssh/id_rsa RSA SHA256:F67gFVIydWnAVPU6HcYUD/tEjmmgOgwFPs+dzELhgD8
  debug1: send_pubkey_test: no mutual signature algorithm
  debug1: Trying private key: /home/tender_euler/.ssh/id_ecdsa
  debug1: Trying private key: /home/tender_euler/.ssh/id_ecdsa_sk
  debug1: Offering public key: /home/tender_euler/.ssh/id_ed25519 ED25519 SHA256:1H4mPO+WR0SMockqr+Vljy+1ht7bj/QIKL71d8nBIZk
  debug1: Server accepts key: /home/tender_euler/.ssh/id_ed25519 ED25519 SHA256:1H4mPO+WR0SMockqr+Vljy+1ht7bj/QIKL71d8nBIZk
  Authenticated to prose.sh ([2604:a880:800:10::8c1:e001]:22) using "publickey".

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