Bitcoin Basics

  • What is Bitcoin?

  • What is the blockchain?

  • Why do we need decentralised consensus?

  • What is Proof-of-Work (PoW) mining?

Electricity Consumption

  • Why does Bitcoin consume electricity?

  • How much electricity does Bitcoin use?

  • What is the difference between the two CBECI numbers?

Environmental Impact

  • What are Bitcoin’s carbon dioxide emissions?

  • Does this mean Bitcoin boils the oceans?

Clearing Up Common Misconceptions

  • “Bitcoin needs to become efficient”

  • The “energy cost per transaction”

  • Incomplete comparisons