How Can a Single Password Unlock So Many Websites?

Imagine your password is like a master key that works for all your locks. When you log into one website, it saves the key so it can let you in on others too. It's like having one key that fits every door in your house.

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Examples

  1. Your password for your email also works on your favorite social media app because they use the same key.
  2. You log in with Google and then go straight to your bank's website without typing another password.
  3. One password lets you access your school, work, and gaming accounts all at once.

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