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Tag: Proof of Work

“La #Blockchain au-delà des Crypto Monnaies” Podcast 🎧 Uziit / Investeam

“La #Blockchain au-delà des Crypto Monnaies” Podcast 🎧 Uziit / Investeam

Podcast avec Anne-Marie RICHIER, CEO de Uziit (avis clients dans la blockchain : https://www.uziit.biz/ ) visant à résumer les échanges qui se sont tenus lors de la première édition du Breakfast Club organisée par Investeam ( https://www.investeam.fr/ ) dans ses locaux avec Benjamin FRAZER et Nathan HIRTZIG le 22 janvier 2020. Sujets : 0:00 Présentation de Uziit 00:14 Différenciation crypto monnaie / blockchain 01:28 Sécurité / authentification via la blockchain 05:05 Intérêt et méfiance des institutions vis-à-vis de la blockchain…

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Blockchain for social good: Charles Hoskinson keynote, Davos 2020

Blockchain for social good: Charles Hoskinson keynote, Davos 2020

On 23 January, IOHK CEO Charles Hoskinson delivered an inspirational keynote speech to the audience at Davos on blockchain for social good, citing practical examples that apply to real world situations. As part of the Cardano delegation at Davos, led by Cardano Foundation, IOHK representatives took part in various panels and delivering keynote talks, while promoting the adoption of Cardano at this influential event. To learn more about IOHK and our work: Company website: https://iohk.io Get our latest news updates:…

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Blockchain Evolution

Blockchain Evolution

Follow along with the course eBook: https://systemsinnovation.io/books/ Take the full course: https://systemsinnovation.io/courses/ Twitter: http://bit.ly/2JuNmXX LinkedIn: http://bit.ly/2YCP2U6 In this video, we are going to trace the past present and future of blockchain technology. Over the past years what we call the blockchain has been evolving fast, from the original Bitcoin protocol to the second generation Ethereum platform to today where we are in the process of building what some call blockchain 3.0 In this evolution we can see how the technology…

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How transactions are verified in Bitcoin Blockchain – Longest chain rule explained

How transactions are verified in Bitcoin Blockchain – Longest chain rule explained

How transactions are verified in Bitcoin Blockchain – Longest chain rule explained Watch our earlier Blockchain videos Blockchain Simplified: https://www.youtube.com/watch?v=LWAYveDotb0&t=1s Blockchain Technology explained: https://www.youtube.com/watch?v=gVLIentRlIk&t=1s Have you wondered how transaction get approved in a Bitcoin block chain? Why you need to wait for 3 to 6 confirmations for the transactions to appear in your wallet. This video attempts to explain how a Bitcoin transaction is approved and the process behind it. Let’s assume Mr. Gobish transferred Bitcoin worth 100$ from one…

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Are blockchain & dlt the same thing & should we care about fairness? Dr. Leemon Baird at Web Summit

Are blockchain & dlt the same thing & should we care about fairness? Dr. Leemon Baird at Web Summit

There was standing room only for Hedera Hashgraph’s Co-founder and Chief Scientist, Dr. Leemon Baird, at this workshop, Fairness in blockchain and distributed ledger technology (DLT), at Web Summit 2019. Dr. Leemon Baird explains what a distributed ledger is and how blockchain differs from DLT. He answers what use cases can benefit from distributed ledger technology and why we should care about fairness. Are there limitations of proof of work (POW)? What about a leader based system? Finally, how does…

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China vs. USA: The Great Battle for Blockchain — Economic Collapse — Stock Market Crash

China vs. USA: The Great Battle for Blockchain — Economic Collapse — Stock Market Crash

China vs. USA: The Great Battle for Blockchain — Economic Collapse — Stock Market Crash The technology to likely have the most significant impact on the next few decades is here. It’s not social media or even artificial intelligence, it’s the underlying technologies in all cryptocurrencies such as Bitcoin, and it’s called Blockchain. Blockchain is the next generation of the internet as we know it. It’s a technology that has many applications and holds vast promise for every business, society,…

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Geeq: A Totally New Type of Blockchain

Geeq: A Totally New Type of Blockchain

David interviews John P. Conley, Chief Economist & Founder of Geeq. You can find out more at https://geeq.io/ This video was produced in partnership with and underwritten by Geeq. All viewers should do their own research and due diligence. This video does not constitute financial advice and should not be interpreted as such. -Become a Member: https://www.davidpakman.com/membership -Support Our Patreon: https://www.patreon.com/davidpakmanshow -Donate via Bitcoin: 15evMNUN1g4qdRxywbHFCKNfdCTjxtztfj -Donate via Ethereum: 0xe3E6b538E1CD21D48Ff1Ddf2D744ea8B95Ba1930 -Donate via Litecoin: LhNVT9j5gQj8U1AbwLzwfoc5okDoiFn4Mt -Support when you buy cryptocurrency: http://www.davidpakman.com/coinbase -Follow…

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Bitcoin and cryptocurrency mining explained

Bitcoin and cryptocurrency mining explained

Bitcoin and cryptocurrency mining explained with the Byzantine Generals Problem. We use it to explain the essence of cryptocurrency mining. https://www.udemy.com/blockchain-for-business-the-new-industrial-revolution/?couponCode=YOUTUBE The Byzantine Generals problem was first introduced in a computer science paper published in 1982. The problem discussed in the paper is that reliable computer systems must be able to function effectively in the presence of faulty components that may send conflicting information to different parts of the system. This issue is even more acute when we talk about…

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Miner rewards & transactions – Blockchain in Javascript (part 3)

Miner rewards & transactions – Blockchain in Javascript (part 3)

Implementing miner rewards and basic transactions in our Javascript based blockchain. Mining rewards steadily introduce new coins into the system. OOPS, I made a small mistake! In the minePendingTransactions() method, you have to pass the hash of the previous block when you’re creating a new Block() instance. This was fixed on GitHub: ► Source code Available on GitHub: https://github.com/SavjeeTutorials/SavjeeCoin ►►► Buying Bitcoin or Ethereum Get $10 for free when buying through my affiliate link (thanks!): https://goo.gl/G9NQsu 🌍 Social Twitter: https://twitter.com/savjee…

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