Iran blames legal and illegal crypto mining for massive blackouts in the country, shuts down a large, licensed Chinese-Iranian mining operation
Miriam Berger / Washington Post :
Context & Ripple Effects
Iran has been here before: in mid-2019 it blamed a 7% jump in June power consumption on Bitcoin mining, called the grid unstable, and seized 1,000 mining machines. The difference now is that the target includes a large licensed Chinese-Iranian operation — permitted capacity is being shut down alongside the illegal rigs, which signals that Tehran no longer distinguishes between the two when blackouts bite.
The escalation continued within months: by late May 2021 Iran imposed a blanket mining ban running until September 22. This story is the hinge point where enforcement moved from confiscating hardware to closing down state-approved facilities.
First-order effects
- Licensed operators lose their core protection: the Chinese-Iranian facility's permit did not shield it from shutdown, so every registered miner in Iran now faces closure risk whenever grid strain peaks.
- Illegal miners shift from tolerated gray-zone activity to active enforcement targets, repeating the 2019 machine-seizure playbook at larger scale.
Second-order effects
- Miners flee to whatever jurisdiction still offers cheap power — the same dynamic that later pushed relocated fleets into Kazakhstan, where authorities were forced to ration winter power to just 50 registered miners as illegal rigs and mass relocations caused their own blackouts.
- China-origin mining capital ends up double-exposed: squeezed out at home and now shut down by its Iranian host, pushing operators toward jurisdictions with surplus generation rather than subsidized tariffs.
Third-order effects
- If the Iran-then-Kazakhstan sequence holds, cheap-power states will keep cycling between courting miners for hard-currency revenue and rationing or banning them when grids strain — making regulatory stability, not electricity price, the binding constraint on where industrial mining settles.
- The episode widens the legitimacy gap for crypto: when even licensed operations are treated as grid threats, governments increasingly police mining as an energy-policy problem rather than a financial one, inviting utility-level rules on who may consume power for computation.
The trend: Energy-rich states are learning that subsidized-power crypto mining is a seasonal liability, alternating between attracting hash rate and rationing it as grid stress forces policy reversals.