SourceS-0025
GitHub blocked sanctioned-region developers 2019
References [25]2026-05-030 out · 1 in
Liao, R. & Singh, M. "GitHub confirms it has blocked developers in Iran, Syria and Crimea." TechCrunch, July 29, 2019. techcrunch.com/2019/07/29/github-ban-sanctioned-countries/. GitHub, "GitHub and Trade Controls." docs.github.com/en/site-policy/other-site-policies/github-and-trade-controls.
Key facts: GitHub access restrictions imposed on developers in Iran, Syria, Crimea, Cuba, and North Korea under U.S. export controls in July 2019.
Use: Empirical anchor for C-0016 / E-0009. The sanctioned-region ban is the canonical case for the difference between Tier 3 protocol and Tier 1 deployment of it.
Original whitepaper reference: [25]