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tptacek04/02/20251 replyview on HN

Notably, I think LetsEncrypt has been MPIC for some time now.


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schoen04/02/2025

Yep, they started in 2020: https://letsencrypt.org/2020/02/19/multi-perspective-validat...

This has been challenging for some subscribers who are unaccustomed to receiving any legitimate site traffic from foreign countries.

https://community.letsencrypt.org/t/multi-perspective-valida...

Now that it's a requirement for the whole web PKI, it will be interesting to see the pressure against blanket geoblocking increase. (Or maybe more web hosts will make it easier to use DNS challenge methods to get certificates.)

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