A system and method for protecting the integrity of a group of images is provided. One embodiment for protecting the integrity of a group of images comprises watermarking each one of a plurality of images in an image group with a unique watermark having at least an image digest, the image digest comprising information that identifies the watermarked image as an original image, and the plurality of images having a predefined order in the image group; and including in selected ones of the unique watermarks a unique decryption key, each one of the unique decryption keys configured for decrypting the unique watermark of a next image in the image group.

 
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