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Maria's curiosity was piqued. She had built a career out of being able to crack any encryption, to follow any digital trail. And so, she decided to take a closer look at "midv488 4k new."

: The primary source for all MIDV series information, though much of the content is in Japanese.

While "MIDV" usually stands for obile I D D ocument V ideo, the number "488" suggests a variation, a specific subset, or a typographical reference to the popular MIDV-500 or MIDV-2020 datasets.