Internet languange.

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Across
  1. 4. To send data, files, or photos from your local device to the internet.
  2. 5. To enter a website or app by proving who you are.
  3. 6. A unique name you choose to identify yourself on a website or app.
  4. 7. The online address used to send and receive digital messages or letters.
Down
  1. 1. Your personal profile or saved identity on a website or app.
  2. 2. A secret string of characters used to keep an account secure.
  3. 3. To securely leave your active session on a website or app.
  4. 8. To create a brand-new account on a website or app.