Blanket Ban on Bitcoin Mining Can Increase Carbon Emissions, Study Finds

A new study by Exponential Science Research, a crypto research firm has found that acts of banning Bitcoin mining to save the environment have reverse effects

A recent study by crypto research firm Exponential Science Research has found that attempts to ban Bitcoin mining in the name of saving the environment may actually have the opposite effect, leading to worse climate outcomes.

The study highlights the complex relationship between mining regulations and environmental impact, demonstrating that a blanket ban on crypto-mining could paradoxically increase overall carbon emissions.

This occurs when miners, faced with bans in regions with renewable energy sources, relocate to areas heavily dependent on fossil fuels for electricity generation.

“NEW: A paper from Exponential Science finds that in some jurisdictions, a blanket ban on Bitcoin mining can actually lead to higher overall carbon emissions, as affected miners may relocate to regions with fossil fuel-dependent power grids.”

The precise effect of a mining ban on carbon emissions varies geographically, depending on the local energy infrastructure and the scale of mining activity in the region.

For example, a mining ban in Kazakhstan would reduce the Bitcoin network's global annual carbon emissions by 7.63%, while a ban in Paraguay could increase emissions by 4.32%.

The environmental impact of Bitcoin mining is also influenced by the energy sources used by mining firms. Coal-powered electric grids, for instance, generate more carbon emissions compared to grids powered by renewable sources like hydropower.

The United States presents a particularly nuanced case. Bans in regions like Kentucky or Georgia could have a positive impact in terms of carbon emissions, while measures in New York, Texas, Washington, or California could potentially increase the network's carbon footprint.

The study also sheds light on China's situation. After banning crypto mining in 2021, some mining operators went underground and continued operating illegally.

This continuation of mining activities has had varying environmental impacts across different provinces. Banning mining in Xinjiang would result in a 6.9% reduction in global annual emissions, while a ban in Sichuan could cause an increase of 3.8%.

The study concludes that the emerging mining jurisdictions will significantly influence the network's environmental impact over the coming years.

The research underscores the importance of adopting science-based and context-specific policy approaches, rather than broad-brush regulations, to effectively address the environmental concerns related to Bitcoin mining.

This nuanced perspective is crucial for policymakers and regulators to achieve the desired environmental outcomes without inadvertently exacerbating the problem.