The Subytt were a race in the Alpha Quadrant that waged a war with the Kresari in the mid-24th century. During the war, the Subytt developed a type of explosive that was resistant to normal sensor scans. In order to finance their war, the Subytt sold this design to Ferengi weapons traders, who then sold the design throughout the quadrant. The Federation mediated the end of the conflict, but required the means to detect the Subytt explosive in return.

Je'tran T'ullh and his co-conspirators planned to use a Subytt explosive to kill Damiano governor-elect Ra'ch B'ullhy, but the device was discovered by Starfleet's Lieutenant Commander Worf. (TNG comic: Perchance to Dream)

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