Six of Eight: The Global Witness Coltan Investigation Validates the Architecture-Closure Diagnostic
Global Witness published a one-year investigation today on the international journey of conflict coltan from DRC to global electronics supply chains. The single most concrete finding is empirical and immediate: of the eight tantalum smelters processing coltan exported from Rwanda between January 2023 and September 2025, six are located in China, one in Kazakhstan, and one in Thailand. This is the most precise documentation we have seen of the processing concentration that Gracelin Baskaran's CSIS commentary identified last week as a core architecture-closure challenge.
Read More