Apolline Blandin, cryptocurrency research lead at the Cambridge Center for Alternative Finance, joins the show. In this episode: 

• The Cambridge AltFin research agenda
• The motivation behind the Cambridge Bitcoin Electricity Consumption Index
• How they determine Bitcoin's electricity consumption
• How Bitcoin's energy usage can be understood in context
• The genesis of their new geographical mining estimates
• Why high granularity estimates of mining location are so important to determine its energy mix
• How and why Bitcoin hashpower migrates on a seasonal basis
• Why there is so much spare hydro capacity in Sichuan and Yunnan
• Surprising country-level findings
• The most defensible academic approaches Apolline has seen so far
• Why the per-transaction cost estimates of Bitcoin are misleading
• The prospects for wind, solar, and natural gas for bitcoin mining