ZIP 2.0 encryption (legacy) vs. AES-256 encryption (introduced later).
In 2021, the National Pan-Hellenic Council (NPHC) held virtual "Meet the Greeks" sessions. Archived videos on YouTube (search: "NPHC Virtual Rush 2021 ZIP codes") often contain breakdowns of how AKA was applying ZIP levels for that specific year. aka levels zip 2021
The 2021 version focuses heavily on these mechanics: Note: Not official “levels” in the spec, but
The "AKA Levels ZIP 2021" phenomenon is more than a workout—it is a case study in how Black Greek organizations leverage digital media for wellness. Alpha Kappa Alpha's international program "Pink Ice: Health & Wellness" adopted ZIP-style routines for their 2022 virtual summit. In 2021, the National Pan-Hellenic Council (NPHC) held
Moreover, non-members began searching for the workout, leading to a broader conversation about sorority fitness inclusion. Some gyms now offer "Stroll HIIT" classes explicitly modeled on the 2021 ZIP format.