- published: 05 Nov 2016
- views: 10550
This is a very basic visual introduction to the concept behind a blockchain. We introduce the idea of an immutable ledger using an interactive web demo. If you are interested in playing with this on your own, it is available online at: http://anders.com/blockchain/ The code that runs this demo is also on GitHub: https://github.com/anders94/blockchain-demo Donations: 1K3NvcuZzVTueHW1qhkG2Cm3viRkh2EXJp
In this video I introduce the basic concept of a blockchain as a way to record a history of transactions in a way that cannot ever be altered, doctored, removed without detection. I want to explain it in a way that is very accessible from the start so I've used a somewhat silly analogy to illustrate the basic concepts. From the second video onwards I'm going to be teaching this material to my girlfriend during the video so she can ask questions - she has no prior knowledge of this material at all.
This is part 23 of the Blockchain tutorial explaining what a ledger is. This tutorial explains the differences between: - a centralised and a distributed ledger - a public ledger (permissionless ledger) and a private ledger (permissioned ledger) In this video series different topics will be explained which will help you to understand blockchain. Bitcoin released as open source software in 2009 is a cryptocurrency invented by Satoshi Nakamoto (unidentified person or group of persons). After the introduction of Bitcoin many Bitcoin alternatives were created. These alternate cryptocurrencies are called Altcoins (Litecoin, Dodgecoin etc). Bitcoin's underlying technology is called Blockchain. The Blockchain is a distributed decentralized incorruptible database (ledger) that records blocks of...
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Speaker: Conor Svensson Conor is the author of the Ethereum Java and Android integration library web3j (https://www.github.com/web3j/web3j). In this talk, Conor provides an overview of blockchain, how the Ethereum blockchain works, and how you can deploy and interact with smart Contracts on Ethereum, all within Java, thanks to web3j. Recorded at Sydney JVM Community Meetup, November 2016 (https://www.meetup.com/Sydney-JVM-Community/events/235146647/)
Here's Nicolas' version of the book: http://blockchainprogramming.azurewebsites.net/ I'm taking Nicolas Dorier's book about Bitcoin and Blockchain programming and rewriting it. Code will be adjusted and worked through as you watch. Ask questions about bitcoins or the book and I will answer them (or get Nicolas to do it).
Video tutorial on using blockchain.info's websocket API to monitor a specific Bitcoin address in real-time. Building Bitcoin Websites Book: https://www.amazon.com/Building-Bitcoin-Websites-Beginners-Development/dp/153494544X Google Chart API url for QR code: http://chart.googleapis.com/chart?chs=200x200&cht=qr&chl=
In this video i create a private blockchain using Multichain for testing purposes, for storing data , for understanding the bitcoin protocol and for fun. Multichain: http://adf.ly/1Yojw7 Thanks for supporting me! Bitcoin donations: 17fknYAjfZwiaM5fmjijmrXYidGsWf43KG DASH donations: Xdshhtu8s6KY2QS9R61Av2v9vg4ke9QjY7 Bytecoin donations: 22Ni7YHxvNoLcvoRZUnniB7XeHcUqcg4iAVmhFrh5kjSEZB4HjuqypcA1gybEfY6CNctNzLpAiHfADdrn9n3KrxTE7S3pLw
Gane el 50 % mensual de tu inversión, te paga su inversión más el 50 % al mes. Se puede retirar a partir de un dólar de ganancia no es página hyip tiene sus instalaciones en Australia empresa legal Y está regulada en la comisión de valores e inversores de Australia. https://www.youtube.com/watch?v=Cfa3X5EvjKM&t=102s https://skyllex.com/?ref=53144 William Lopera firstname.lastname@example.org WhatsApp +57 3003340413 Medellin-Colombia
Blockchain Info Wallet tutorial | http://www.freecryptominicourse.com | Use the link to the left to start learning TODAY how you can actually make serious money riding the cryptocurrency wave. Don't let yourself miss this massive financially life changing wave! In this Blockchain Info Wallet tutorial I will show you how easy it is to open bitcoin wallet for free. Myself and my crypto colleagues consider the blockchain wallet to be the best offering in the industry, thanks to it's handy accounting features and also being built right into the bitcoin blockchain. In this video I will not only show you how to get bitcoin wallet quickly, but I will also go through all the features and settings that would be most important to you as a new user. I put a heavy focus on the security settings t...
This is part 6 of the Blockchain tutorial explaining what a digital signature is. In this video series different topics will be explained which will help you to understand blockchain. Bitcoin released as open source software in 2009 is a cryptocurrency invented by Satoshi Nakamoto (unidentified person or group of persons). After the introduction of Bitcoin many Bitcoin alternatives were created. These alternate cryptocurrencies are called Altcoins (Litecoin, Dodgecoin etc). Bitcoin's underlying technology is called Blockchain. The Blockchain is a distributed decentralized incorruptible database (ledger) that records blocks of digital information. Each block contains a timestamp and a link to a previous block. Soon people realises that there many other use cases where the Blockchain tech...