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Passkeys are a trap. Do not use them
(nonfunctional.substack.com)
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this post was submitted on 12 Oct 2026
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Privacy
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Yes it is. I have had to work with many companies that set password specifications, and sometimes they prevented secure passwords. My bank maxed out at 11 characters for many years!
You dont own the specification for a password, the service provider does. I always wanted to use deterministic password generation (i.e. hash(servicename + memorable password), but never could because every provider has different "password rules" about different character types, etc.