Slashdot Reader Builds a Free Photo-Verification App for iPhones
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 while keeping the photo inside the a … ⌘ Read more