Episode 3: Bitcoin's environmental impact, who runs the blockchain, and Bitcoin mining

- How the blockchain keeps running 24/7 (who pays for all this)- What blockchain nodes do- The incentive to turn your computer into a Bitcoin node- Where new Bitcoins come from (i.e., how mining works)- Consequences of mining: high barrier to entry, negative environmental impact, human rights abuses, disproportionate resources- How the crypto community is solving those issues- What happens once all coins have been mined-----The corresponding blog post with links and images:https://www.michaelcaloz.com/2021/05/04/cryptocurrency-part-3-how-the-blockchain-keeps-running-where-new-bitcoins-come-from-i-e-how-mining-works-and-concerns-about-bitcoins-environmental-impact/