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Re:Show HN: Sell advertisement spots on your site with a Spo... by whatevermom on Wednesday January 08, 2025 @09:48AM (#42634805)
Sha256 is NOT an appropriate measure to anonymize IP addresses.

You can easily precompute the SHA256 hashes of all IP addresses and do a simple JOIN to get the original IPs.

I am concerned for you OP.

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