Slashdot Reader Builds a Photo-Verification App for iPhones

Slashdot
By EditorDavidAug 8, 2026, 7:57 pm88 ptsTrending
Long-time Slashdot reader BrianFagioli is announcing that he's released a new iPhone app that creates a cryptographic witness for photos without uploading the original image. The app hashes the file, signs the hash using a dedicated identity stored in Apple Keychain, and publishes the witness to Nostr relays…

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