Donate Bitcoin: 3NqhJSAikoFiYmZm3ACGzdw9Lr86ZiLT7K Join our new Patreon: https://www.patreon.com/wcn Listen to WCN Audio Podcasts: https://itunes.apple.com/us/podcast/world-crypto-network/id825708806?mt=2 Check out the brand new http://WorldCryptoNetwork.com/ Follow WCN on Twitter: https://twitter.com/WorldCryptoNet ---- ‎8201.24 USD / BTC - Average United States Dollar Bitcoin Price https://bitcoinaverage.com/en/bitcoin-price/btc-to-usd http://www.btcsatoshi.com/ Bitcoin Could Emerge As A ‘Threat’ To US Dollar In Future, Suggests St. Louis Fed Chief https://cointelegraph.com/news/bitcoin-could-emerge-as-a-threat-to-us-dollar-in-future-suggests-st-louis-fed-chief Consensus 2018: What You've Missed So Far From The Biggest Bitcoin Event https://www.forbes.com/sites/billybambrough/2018/05/15/consensus-2018-what-youve-missed-so-far-from-the-biggest-bitcoin-event/#6853dff2761a Bitcoiners Take New York, but Wall Street Resists The Lure - MoneyBeat - WSJ https://blogs.wsj.com/moneybeat/2018/05/16/bitcoiners-take-new-york-but-wall-street-resists-the-lure/?guid=BL-MBB-68287&dsk=y Circle Becomes 'Bitcoin Unicorn' With Bitmain-Backed Mega-Round - CoinDesk https://www.coindesk.com/110-million-circle-series-e-bitcoin-unicorn/ Bitmain's investment in Circle was done in three weeks — Quartz https://qz.com/1278983/the-biggest-bitcoin-miner-is-turning-into-a-venture-capital-juggernaut/ HTC just announced the world’s first blockchain phone – BGR http://bgr.com/2018/05/16/htc-exodus-bitcoin-phone-blockchain/ The Juice on Twitter: "… " https://twitter.com/CryptOJSimpson/status/996572715334029312 Bear Revival? Bitcoin Risks Fall Below $8K After 3.5-Week Low - CoinDesk https://www.coindesk.com/bear-revival-bitcoin-risks-fall-below-8k-after-3-5-week-low/?utm_content=bufferd73fc CoinDesk Markets on Twitter: "#BTCUSD Daily Snapshot OUTLOOK: Bearish 4hour chart: Rejection at falling trendline followed by downside break of expanding channel indicates sell-off from $9,990 has resumed. BTC could drop below $8K and test supp at $ $7,800. Close abv 10-day MA would abort bearish view… https://t.co/UJWKT9nG2i" https://twitter.com/CoinDeskMarkets/status/996650560043601920 World Crypto Network is creating Bitcoin Videos and Podcasts | Patreon https://www.patreon.com/wcn

Who generates the nonce? What makes it random? How is nonce-guessing important to the competitive process of mining? What happens if the hashing algorithm (SHA-256) was compromised? Is quantum computing a threat? More on nonces and the mining process: https://github.com/bitcoinbook/bitcoinbook/blob/8ae3c056fb257111bda8883d9d204e8476f9870c/ch09.asciidoc These questions are from the MOOC 7.2 and 9.2, which took place on February 26th 2017 and February 23rd 2018 respectively. Andreas is a teaching fellow with the University of Nicosia. The first course in their Master of Science in Digital Currency degree, DFIN-511: Introduction to Digital Currencies, is offered for free as an open enrollment MOOC course to anyone interested in learning about the fundamental principles. If you want early-access to talks and a chance to participate in the monthly live Q&As with Andreas, become a patron: https://www.patreon.com/aantonop RELATED: Consensus Algorithms, Blockchain Technology, and Bitcoin - https://youtu.be/fw3WkySh_Ho Advanced Bitcoin Scripting Part 1: Transactions and Multisig - https://youtu.be/8FeAXjkmDcQ Advanced Bitcoin Scripting Part 2: SegWit, Consensus, and Trustware - https://youtu.be/pQbeBduVQ4I What is Consensus: Rules without Rulers - https://youtu.be/2tqo7PX5Pyc Forkology: A Study of Forks for Newbies - https://youtu.be/rpeceXY1QBM Bitcoin: Where the Laws of Mathematics Prevail - https://youtu.be/HaJ1hvon0E0 Software distribution security - https://youtu.be/_V0vqy046YM What is mining? - https://youtu.be/t4p4iMqmxbQ The mining process - https://youtu.be/L4Xtau0YMJw Miners, pools, and consensus - https://youtu.be/JHz7LM4ncLw Cryptographic primitives - https://youtu.be/RIckQ6RBt5E The rules of Bitcoin (part 1) - https://youtu.be/VnQu4uylfOs The rules of Bitcoin (part 2) - https://youtu.be/vtIp0GP4w1E Rules versus rulers - https://youtu.be/9EEluhC9SxE The value of proof-of-work - https://youtu.be/ZDGliHwstM8 Migrating to post-quantum cryptography - https://youtu.be/dkXKpMku5QY Could a state-sponsored 51% attack work? - https://youtu.be/KUd8ZGgm6Qo Honest nodes and consensus - https://youtu.be/KAhY2ymI-tg Spam transactions and Child Pays For Parent (CPFP) - https://youtu.be/t3c0E4fkSNs Is Bitcoin a democracy? - https://youtu.be/TC3Hq76UT5g Decentralized power, leaderless governance - https://youtu.be/E5VbDlQTPzU Scaling, trust, and trade-offs - https://youtu.be/vCxmHwqyJWU What is the role of nodes? - https://youtu.be/fNk7nYxTOyQ Why running a node is important - https://youtu.be/oX0Yrv-6jVs Lightning, full nodes, and miners - https://youtu.be/dlJG4OHdJzs Running nodes and payment channels - https://youtu.be/ndcfBfE_yoY What happens during a fork? - https://youtu.be/XBk8hBJ1xVo SegWit adoption - https://youtu.be/KCsTVTRk6I4 Spam transactions and Child Pays For Parent (CPFP) - https://youtu.be/t3c0E4fkSNs Energy consumption - https://youtu.be/2T0OUIW89II Solar energy and mining in space - https://youtu.be/cusakcpa8AM Bitmain and ASICBoost allegations - https://youtu.be/t6jJDD2Aj8k Andreas M. Antonopoulos is a technologist and serial entrepreneur who has become one of the most well-known and respected figures in bitcoin. Follow on Twitter: @aantonop https://twitter.com/aantonop Website: https://antonopoulos.com/ He is the author of two books: “Mastering Bitcoin,” published by O’Reilly Media and considered the best technical guide to bitcoin; “The Internet of Money,” a book about why bitcoin matters. THE INTERNET OF MONEY, v1: https://www.amazon.co.uk/Internet-Money-collection-Andreas-Antonopoulos/dp/1537000454/ref=asap_bc?ie=UTF8 [NEW] THE INTERNET OF MONEY, v2: https://www.amazon.com/Internet-Money-Andreas-M-Antonopoulos/dp/194791006X/ref=asap_bc?ie=UTF8 MASTERING BITCOIN: https://www.amazon.co.uk/Mastering-Bitcoin-Unlocking-Digital-Cryptocurrencies/dp/1449374042 [NEW] MASTERING BITCOIN, 2nd Edition: https://www.amazon.com/Mastering-Bitcoin-Programming-Open-Blockchain/dp/1491954388 Subscribe to the channel to learn more about Bitcoin & open blockchains! Music: "Unbounded" by Orfan (https://www.facebook.com/Orfan/) Outro Graphics: Phneep (http://www.phneep.com/) Outro Art: Rock Barcellos (http://www.rockincomics.com.br/)