What is the significance of key metrics like price in the course material? Are price and hashpower correlated? Bitcoin\’s hashrate seemed to drop by +30% recently. Why? Is the exchange rate between fiat and bitcoin always determined by supply and demand? CORRECTION: At 5:25​ I said that Laszlo Hanyecz paid ten thousand bitcoin for Dominos pizza in 2010. It was actually Papa John\’s pizza. These questions are from the second, third, and fourth sessions of MOOC 12, which took place on September 19th, September 27th, and October 4th 2019, respectively. RELATED: Measuring Success: Price or Principle – ​ Beyond Price: Bitcoin\’s Impact on the Future – ​ Consensus Algorithms, Blockchain Technology, and Bitcoin – ​ Advanced Bitcoin Scripting Part 1: Transactions and Multisig – ​ Advanced Bitcoin Scripting Part 2: SegWit, Consensus, and Trustware – ​ What is Consensus: Rules without Rulers – ​ Forkology: A Study of Forks for Newbies – ​ Bitcoin: Where the Laws of Mathematics Prevail – ​ Software distribution security – ​ What is mining? – ​ The mining process – ​ Nonces, mining, and quantum computing – ​ Iterating nonces and the block reward – ​ Miners, pools, and consensus – ​ Mining, energy prices, and fee market – ​ What is difficulty targeting? – ​ Genesis block and coinbase transactions – ​ Cryptographic primitives – ​ The rules of Bitcoin (part 1) – ​ The rules of Bitcoin (part 2) – ​ Rules versus rulers – ​ The value of proof-of-work – ​ Could a state-sponsored 51% attack work? – ​ Honest nodes and consensus – ​ Spam transactions and Child Pays For Parent (CPFP) – ​ Is Bitcoin a democracy? – ​ Governments versus Proof-of-Work or Proof-of-Stake – ​ Decentralized power, leaderless governance – ​ What is the role of nodes? – ​ Why running a node is important – ​ Spam transactions and Child Pays For Parent (CPFP) – ​ Energy consumption – ​ Solar energy and mining in space – ​ Bitmain and ASICBoost allegations – ​ Binance hack, chain rollback? – ​ Block reward, reorg protection, and immutability – ​ Andreas M. Antonopoulos is a technologist and serial entrepreneur who has become one of the most well-known and respected figures in Bitcoin. He is the author of “Mastering Bitcoin,” “The Internet of Money series

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