Bitcoin

The blackout underscores crypto's vulnerability to centralized infrastructure risks in key mining hubs like Iran, which still accounts for 4.8% of global hashrate (2026 data). This accelerates the long-term structural shift toward North American mining operations, with the US now controlling 43% of hashrate versus Iran's declining 2.1% share as of May 2026.

Iran experienced an internet blackout lasting approximately one month as described in a Nature article.