Table 1 Scenario parameter settings.

From: Policy assessments for the carbon emission flows and sustainability of Bitcoin blockchain operation in China

Scenarios Measures Market access (%) Miner site selection (%) Carbon tax
Benchmark (BM) Baseline policy intervention 100 40 2
Market access (MA) Raise the market access standards for Bitcoin miner efficiency 50 40 2
Site regulation (SR) Strict regulation on Bitcoin industry in the coal-based energy region 100 20 2
Carbon tax (CT) Extra punitive carbon tax on Bitcoin mining 100 40 4
  1. Note: Exogenous auxiliary parameters are introduced to assess the carbon emission flows under different Bitcoin policy measures. In terms of variable settings, three main parameters are chosen as the scenario factors in the proposed BBCE model, including market access (MA), miner site regulation (SR), and carbon tax (CT).