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Why Code Authentication Needs So Many Keys
Why do we need API keys, OAuth tokens, service accounts, and refresh tokens instead of one universal authenticator? This episode builds a mental model around "trust topology" — the idea that different authentication mechanisms solve fundamentally different trust problems. We explore the split between human and software authentication, walk through AWS access keys, GitHub app installation tokens, Google Cloud service accounts, and OAuth's many grant types, and trace how historical sediment from the pre-OAuth password-sharing era still shapes today's complexity. If you've ever wondered why code…
The skinny
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