Short answers, pulled from the story.
Stacy Minajj created the DJ mix titled Rare RCB hexD.mp3 in June 2019. This recording was produced by a member of the collective Hexcastcrew and utilized bitcrushing to dismantle songs into a deliberate aesthetic choice.
The producer Untranced released the mixtape called Deleted Seniors in 2011. This project combined EDM with heavy bitcrushing and marked one of the earliest instances where extreme audio degradation was used as an intentional aesthetic quality.
The YouTube channel and netlabel Dismiss Yourself uploaded the Stacy Minajj RCB mix on the 23rd of August 2019. This upload served as the catalyst for the wider proliferation of the genre and became the central hub for the new sound.
Alternative Press magazine labeled the group Fax Gang as hexDers in March 2021. The publication described the output of artists like ZBITO18 and the collective HELLOKITTYWAFFENDIVISION as a comprehensive catalog of hexD-ed neon Myspace-core rave insanity.
The technical core of hexD lies in the deliberate application of bitcrushing to specific instruments or the entire master track. This process creates a sound that is simultaneously distorted, digital, and hazy by reducing the bandwidth and digital audio data.
The label Dismiss Yourself released the Surge Compilation Vol. 1 on the 5th of April 2021. This various artists album further popularized the movement and solidified its place in the music landscape.