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Real Time Blockchain Concepts in Python! - Hashes and PoW
 
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Don't let the long time fool you. Give this 5 minutes and see if the advanced topics are broken down in a way that makes sense. Check out our open-source blockchain developer tool project: https://lamden.io/
Views: 12078 Lamden
Simple Blockchain in Python WITH MINING!
 
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In this video we'll be creating our own blockchain in Python! We'll also be using SHA256 for our proof-of-work to mine our blockchain. Go to https://howcode.org for more! Source code: https://howco.de/simple-python-blockchain Link to DigitalOcean: http://howco.de/d_ocean Link to howCode Facebook: http://howco.de/fb Link to howCode Twitter: http://howco.de/twitter Link to /r/howCode: http://howco.de/reddit Don't forget to subscribe for more!
Views: 9544 howCode
Python Bitcoin Tutorial for Beginners
 
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My Book: https://www.amazon.com/Building-Bitcoin-Websites-Beginners-Development/dp/153494544X A simple introduction tutorial to get started with the pybitcointools Python library. https://github.com/vbuterin/pybitcointools
Views: 52343 m1xolyd1an
Blockchain Websocket API - JavaScript
 
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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=
Views: 12974 m1xolyd1an
Building a Blockchain in Under 15 Minutes - Programmer explains
 
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I wanted to demonstrate that the concept of a blockchain that powers almost all of the modern cryptocurrencies is very simple at its core. Bitcoin, Ethereum, Litecoin etc all are based on this blockchain technology. Many people think that the blockchain is a complicated thing while at it's core its just a clever use case of hashes. Enjoy guys! CODE: https://github.com/ivan-liljeqvist/SimpleBlockchain JOIN MY EXCLUSIVE MAILING LIST FOR EVEN MORE BLOCKCHAIN KNOWLEDGE: http://eepurl.com/c0hyc9 ESSENTIAL CRYPTO RESOURCES Hardware wallets: ♥ TREZOR https://trezor.io ♥ LEDGER NANO S https://www.ledgerwallet.com/r/4607 To buy cryptocurrencies: ♥ Coinbase https://www.coinbase.com/join/529bab0ab08ded7080000019 JOIN SLACK COMMUNITY http://slack-invite-ivan-on-tech.herokuapp.com https://steemit.com/@ivanli
Views: 339677 Ivan on Tech
How to be a Blockchain Developer | Programmer
 
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In this tutorial Vlad Wulf explains what it is to be a blockchain developer.
Views: 20828 Vlad Wulf
Blockchain 101 - A Visual Demo
 
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This is a very basic visual introduction to the concepts behind a blockchain. We introduce the idea of an immutable ledger using an interactive web demo. Part 2 is here: https://youtu.be/xIDL_akeras 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 I'm @anders94 on Twitter and @andersbrownworth on Steemit. Donations: BTC: 1K3NvcuZzVTueHW1qhkG2Cm3viRkh2EXJp ETH: 0x84a90e21d9d02e30ddcea56d618aa75ba90331ff ETC: 0xab75ad757c89fa33b92090193a797e6700769ef8
Views: 877756 Anders Brownworth
Bitcoin JSON-RPC Tutorial 1
 
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An introduction to the Bitcoin JSON-RPC tutorial series. BTC: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U
Views: 14562 m1xolyd1an
Blockchain Receive Payments API v2 HD BIP32 xpub
 
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Overview of blockchain's new receive payments API. Building Bitcoin Websites Book: https://www.amazon.com/Building-Bitcoin-Websites-Beginners-Development/dp/153494544X Video how to tutorial: https://www.youtube.com/watch?v=ASCz5uLs5EE Written how to tutorial: http://btcthreads.com/how-to-use-blockchain-receive-payments-api-hd-bip32-xpub/ Link to github shopping cart: https://github.com/coinables/Blockchain-Receive-Payments-API-Shopping-Cart BTC: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U
Views: 17644 m1xolyd1an
3 Blockchain на Python - Создание веб-интерфейса на Flask
 
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Эта мини-серия скринкастов посвящена блокчейну. Что это такое, как блокчейн работает и т.п. Описываю принципиальную схему работы. Последняя часть - делаю веб-интерфейса для этого проекта с использование Bootstrap 4 и фреймворка Flask. Подходит для новичков. ====== Группа ВК для вопросов и обсуждений: https://vk.com/p.notes Поддержите канал! Pay-Pal: molchanov.o.o@gmail.com Yandex.Деньги: 41001250941952 QIWI: 79267320993 VISA: 4478 1887 7475 7031 LTC LKMJLzp7hDvHF8qvembUHPBLk5tid1hReY ETC 0xb37301839684a416646f801258c963ea6ecd1d67 ETH 0x99df729fcdc43a760f0352b87ba1f256452573c5 BCC/BCH 1Pd9rpzUDVKBkp7Feowwsx19VFEJofyhXF RDD RuFcN2UNsiF6wZPmhhdDqatXUzSCSx947W BCN 24BhrnxpG1G6riWYKTUaE5bMfNqgCq2m8XBCD5xtm1VnEe7g4dvnGVo5ewM79anPwHAH4eD69KbT3YwuxVJJVbmHTXBFafE Background preview wallpaper Designed by kjpargeter / Freepik
Blockchain Receive Payments API
 
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My Book: https://www.amazon.com/Building-Bitcoin-Websites-Beginners-Development/dp/153494544X **The receive payments API will be deprecated as of Dec 7 2015. All users must upgrade to the new BIP32 Receive Payments API.** https://www.youtube.com/watch?v=D2__AFoOdec BTC address: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U Goes over using blockchain.info's receive payments API. It allows you to create brand new addresses on the fly while all payments received are forwarded to one address without having to create an account. More Info: https://blockchain.info/api/api_receive Follow me on twitter: https://twitter.com/coinableS WANT MORE TUTORIALS? https://bitcointalk.org/index.php?topic=990348.0
Views: 24461 m1xolyd1an
Building your own cryptocurrency trading bot using Python and the Poloniex API
 
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Brian walks you through a simple cryptocurrency trading bot in Python and using the Poloniex API. The code from this video can be found here: https://github.com/bwentzloff/trading-bot Poloniex API: https://poloniex.com/support/api/ How moving averages work: https://youtu.be/YHSX5_vLR8Q Get some bitcoin ornaments for Christmas: https://cryptogifts.store/product/bitcoin-ornament-bitcoin-rollercoaster-guy-on-a-sleigh/ Contact me directly: https://www.youtube.com/channel/UCme3b9GKKSjZsI8AGth-VlA/about
Views: 179942 Cryptocurrency Trading
Python Requests Tutorial - Bitcoin Price API
 
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In this video I talk about the basics of using Python requests by showing you how to call the Coinbase Bitcoin Price Index API. You can see the API docs here: https://www.coindesk.com/api/ Web Development Courses: https://prettyprinted.com Subscribe: http://www.youtube.com/channel/UC-QDfvrRIDB6F0bIO4I4HkQ?sub_confirmation= Twitter: https://twitter.com/pretty_printed Facebook: https://www.facebook.com/prettyprintedtutorials/ Github: https://github.com/prettyprinted Instagram: https://www.instagram.com/pretty_printed Google Plus: https://plus.google.com/+PrettyPrintedTutorials
Views: 6773 Pretty Printed
Coding a Simple Bitcoin Paywall in Under 10 Minutes
 
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How to build a bitcoin paywall in 10 minutes with PHP & AJAX. APIs used are smartbit.au and blockchain.info. Sorry about my loud cat. My Book: https://www.amazon.com/Building-Bitcoin-Websites-Beginners-Development/dp/153494544X Source: https://github.com/coinables/Simple-Barebone-Bitcoin-Paywall
Views: 7758 m1xolyd1an
2 Blockchain на Python - Запись блоков и проверка целостности
 
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Эта мини-серия скринкастов посвящена блокчейну. Что это такое, как блокчейн работает и т.п. Описываю принципиальную схему работы. Пишем скрипт на Python, который обеспечивает запись блоков и проверку целостности всего блокчейна. Подходит для новичков. ====== Группа ВК для вопросов и обсуждений: https://vk.com/p.notes Поддержите канал! Pay-Pal: molchanov.o.o@gmail.com Yandex.Деньги: 41001250941952 QIWI: 79267320993 VISA: 4478 1887 7475 7031 LTC LKMJLzp7hDvHF8qvembUHPBLk5tid1hReY ETC 0xb37301839684a416646f801258c963ea6ecd1d67 ETH 0x99df729fcdc43a760f0352b87ba1f256452573c5 BCC/BCH 1Pd9rpzUDVKBkp7Feowwsx19VFEJofyhXF RDD RuFcN2UNsiF6wZPmhhdDqatXUzSCSx947W BCN 24BhrnxpG1G6riWYKTUaE5bMfNqgCq2m8XBCD5xtm1VnEe7g4dvnGVo5ewM79anPwHAH4eD69KbT3YwuxVJJVbmHTXBFafE Background preview wallpaper Designed by kjpargeter / Freepik
BLOCKCHAIN APPS IN GO - Build Your Own Blockchain App
 
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Ever wonder how blockchains work? Why is it that many popular blockchains are using Go? In this talk we will explore how blockchains work at a protocol level, what Go libraries you can use to interact with them. By the end of the talk you will be able to build your first Blockchain App. EVENT: GopherCon UK 2018 SPEAKER: Matthew Campbell PERMISSIONS: Original video was published with the Creative Commons Attribution license (reuse allowed). CREDITS: Original video source: https://www.youtube.com/watch?v=BzDUl9UrLRg
Views: 5302 Coding Tech
Hashing, Encryption, Blockchain & Bitcoin Mining with Python
 
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This video illustrates the concepts of Hashing, Encryption, Blockchain and Bitcoin Mining by the use of straightforward Python code. It is from a free Webinar by The Python Quants. Check out our Python for Finance Online Training Classes, including the first University Certificate in Python for Finance. http://training.tpq.io
Views: 11392 Yves Hilpisch
Python packages and  Blockchain
 
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The Blockchain is an emerging technology which provides a platform for managing digital assets. Blockchain also serves as a distributed ledger where all the transactions are stored publically. The high-level language Python can be used to develop Blockchain applications. Python can interact with the public ledger API of Blockchain ‘blockchain.info’ and execute our codes. ‘blockchain.info’ package is available in ‘github’, you can download it from there. Company Website: http://www.blockchainexpert.uk Blog: http://www.blockchainexpert.uk/blog/python-packages-for-blockchain Twitter: https://twitter.com/Blockchain_E Mail us: info@blockchainexpert.uk Contact US: Cybrosys Limited 2 Sheen Road, Richmond, London, England - TW9 1AE.
Future Updates | Python | Microservices | Blockchain
 
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Python tutorials in hindi : https://goo.gl/qe6NL2 * Huge Demand for Python Course. * People waiting for Course on Next big thing : Blockchain * Industry is moving towards Microservices (hot).. Blockchain : https://www.youtube.com/watch?v=UqQMSVfugFA Donation : Paytm - 9769754123 Instamojo : https://www.instamojo.com/@NavinReddy/ Check out our website: http://www.telusko.com Follow Telusko on Twitter: https://twitter.com/navinreddy20 Follow on Facebook: Telusko : https://www.facebook.com/teluskolearnings Navin Reddy : https://www.facebook.com/navintelusko Follow Navin Reddy on Instagram: https://www.instagram.com/navinreddy20 Subscribe to our other channel: Navin Reddy : https://www.youtube.com/channel/UCxmkk8bMSOF-UBF43z-pdGQ?sub_confirmation=1 Telusko Hindi : https://www.youtube.com/channel/UCitzw4ROeTVGRRLnCPws-cw?sub_confirmation=1
Views: 6049 Telusko
Bitcoin 101 - Calling All APIs - Coding Live Price Data From Bitcoin Exchanges
 
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Confused about APIs and JSON? Looking to run an arbitrage business or build a data intensive site? Well this video is for you. This is the first of our videos looking at programming calls for exchange data. In just a few lines of code, we grab the last price from four exchanges (Btc-e, Kraken, Bitstamp and Bitfinex) and pseudo exchange extraordinaire, Coinbase. James walks you through the first steps of building a live feed of this data. As usual, all our code is on GitHub for you to rip apart and enjoy. https://github.com/wobine/blackboard101/blob/master/call%20all%20apis%20-%20exchanges.py Welcome to WBN's Bitcoin 101 Blackboard Series -- a full beginner to expert course in bitcoin. Please like, subscribe, comment or even drop a little jangly in our bitcoin tip jar 1javsf8GNsudLaDue3dXkKzjtGM8NagQe. Thanks, WBN
Views: 21789 CRI
Building Bitcoin Websites - Blockchain API 1 of 2
 
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Intro to using blockchain's API. This video goes over the right way to get set up and then how to generate addresses using PHP. My Book: https://www.amazon.com/Building-Bitcoin-Websites-Beginners-Development/dp/153494544X BTC address: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U Follow me on twitter: https://twitter.com/coinableS Blockchain API tutorial How to use Blockchains API Blockchain.info API PHP
Views: 32851 m1xolyd1an
Creating a blockchain with Javascript (Blockchain, part 1)
 
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Learn how to write your own Blockchain with JavaScript. In this video I'll show you what is behind a blockchain by using simple code. It's not a complete implementation, but enough to understand how blockchains work and how they guarantee that blocks can never be changed. After creating our blockchain we'll try and tamper with it. This will demonstrate a blockchains ability to detect fraud. Next video (implementing proof-of-work): https://youtu.be/HneatE69814 💰 Want to buy Bitcoin or Ethereum? Buy for $100 and get $10 free (through my affiliate link): https://www.coinbase.com/join/59284524822a3d0b19e11134 ► Source code Available on GitHub: https://github.com/SavjeeTutorials/SavjeeCoin ► About me 🐦 Follow me on Twitter: https://twitter.com/savjee ✏️ Check out my blog: https://www.savjee.be ✉️ Subscribe to newsletter: https://goo.gl/nueDfz 👍🏻 Like my Facebook page: https://www.facebook.com/savjee
Bitcoin Bot in Python - Binance Crypto Trading Bot - Chapter 2
 
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In Chapter 2 of Bitcoin Bot series I describe the development of the 'core' crypto trading bot functionality within RoibalBot.py email: realestateblockchain1@gmail.com Python-Binance Roibal Github Fork Available Here: https://github.com/Roibal/python-binance/tree/master/examples Additional Info/Resources: https://medium.com/@BlockchainEng/how-to-build-an-automated-cryptocurrency-trading-bot-on-binance-with-python-2cd9b5874e44
Views: 4350 Blockchain Engineer
Rise Blockchain Technology Breaks into the Python Developers Market + $5000 Special Contest
 
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For more information on the contest : http://kuuv.io/i/CeSZYVm.pdf Rise for beginners : https://www.youtube.com/watch?v=Sfs9z0mZJBQ http://rise.vision/ https://explorer.rise.vision/ https://forum.rise.vision/topic/40/delegate-doom-90-profit-sharing-pool-new-promo-video How to vote : https://www.youtube.com/watch?v=juO60dM0yMk
Views: 207936 Delegate Doom
Ethereum for Python Developers
 
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Everything you need to know to get started with Ethereum with Python. Piper Merriam Ethereum Foundation python team lead.
Views: 3365 Ethereum Foundation
Graphene Blockchain Testnet Setup | Follow My Vote
 
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Follow along with Nathan Hourt, Follow My Vote Co-founder & CTO as he demonstrates how to setup a Graphene / Bitshares test net and GUI which is necessary to alpha test the Follow My Vote stakeweighted blockchain voting software. Learn more about Follow My Vote's stakeweighted blockchain voting software here: https://followmyvote.com/initial-alpha-release/ Or join us on GitHub:https://github.com/followmyvote More on Graphene: http://docs.bitshares.org/
Views: 2817 Follow My Vote
Live :  Bitcoin | Blockchain | Python | Spring Framework
 
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Today will discuss About BitCoin. Importance of Python Should you learn Spring Framework Check out our website: http://www.telusko.com Follow Telusko on Twitter: https://twitter.com/navinreddy20 Follow on Facebook: Telusko : https://www.facebook.com/teluskolearnings Navin Reddy : https://www.facebook.com/navintelusko Follow Navin Reddy on Instagram: https://www.instagram.com/navinreddy20 Subscribe to our other channel: Navin Reddy : https://www.youtube.com/channel/UCxmkk8bMSOF-UBF43z-pdGQ?sub_confirmation=1 Telusko Hindi : https://www.youtube.com/channel/UCitzw4ROeTVGRRLnCPws-cw?sub_confirmation=1
Views: 3193 Telusko
Three Easy Ways to Generate Bitcoin Addresses on your Website
 
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This tutorial goes over 3 easy ways to generating fresh bitcoin addresses on the fly for your website. coinbase.com bitpay.com block.io blockchain.info blockchain.info/q/newkey phpfiddle: http://phpfiddle.org/main/code/g5hu-cez3 phpCoinAddress: https://github.com/zamgo/PHPCoinAddress code example w/ phpcoinaddress: http://pastebin.com/BX0xLfU9
Views: 10138 m1xolyd1an
Coinbase + Firebase - Build a Bitcoin App
 
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Learn how to mint custom auth tokens in Firebase and interact with the Coinbase crypto currency API. Give your Angular app a foundation making bitcoin transactions. https://angularfirebase.com/lessons/coinbase-bitcoin-oauth-firebase-cloud-function/ - Coinbase API - https://developers.coinbase.com/ - Firebase Custom Tokens - https://firebase.google.com/docs/auth/admin/create-custom-tokens - Angular 5 - https://angular.io/
Views: 7543 Angular Firebase
Java and the Blockchain
 
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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/)
Views: 41141 ANZ Coders
Python and the Blockchain (Anthony Barker)
 
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A high level presentation which will cover working with the popular public blockchains: Bitcoin, Ethereum and Stellar with python. The goal of the presentation is that attendees will understand high level the various popular public blockchains using python and how potentially they could use these in their next application.
Views: 10487 PyCon Canada
Let's build a blockchain! — A mini-cryptocurrency in Ruby (Haseeb Qureshi)
 
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Ever wondered how cryptocurrencies like Bitcoin or Ethereum work? Well, what better way to find out than to build one! Come watch this lecture by Haseeb where he builds a blockchain from scratch in Ruby. By the end, we'll definitely all be rich with something resembling money. Probably. Slides: https://speakerdeck.com/haseebq/lets-build-a-blockchain-a-mini-cryptocurrency-in-ruby Github code: https://github.com/Haseeb-Qureshi/lets-build-a-blockchain This talk was generously hosted by App Academy. App Academy helps exciting companies hire promising software engineers. More than 2,000 young professionals apply for just 60 spots in App Academy's 1,000 hour web immersive program. If accepted, they learn computer science fundamentals, Ruby on Rails, JavaScript and React. For those that make it through the program, they get high paying jobs with companies such as Facebook, Google, Tesla or Linkedin. To follow Haseeb: https://twitter.com/hosseeb https://haseebq.com
Views: 18447 Haseeb Qureshi
Blockchain Implementation Workshop in Python (Hosted by Michigan FinTech & Wolverine Crypto Trading)
 
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Blockchain implementation workshop hosted at the University of Michigan Ross School of Business by Michigan FinTech and Wolverine Crypto Trading. Source code, slides, and syllabus below. Source Code: https://github.com/namangupta9/blockchain Presentation Slides: https://drive.google.com/file/d/1KShsSnUqhJDlNCdtGGSgiPX-89XBP4Tk/view?usp=sharing Syllabus: https://tinyurl.com/blockchain-workshop Feedback Survey: https://tinyurl.com/wctchain-feedback Hosted by: https://www.michiganfintech.org https://www.wolverinecryptotrading.com Speakers: Naman Gupta, Izak Fritz, Rishi Prasad, Nicole Duran, Nikhil Vardya
Views: 506 Rishi Prasad
Intro  - Etherscan API with python 3 Tutorial 1
 
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source code: http://pysource.com/2018/01/16/intro-etherscan-api-with-python-3-tutorial-1/
Views: 1324 Pysource
Beginner Blockchain: Creating a Blockchain Chat App With Javascript
 
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Learn to Code at https://devslopes.com From beginner to blockchain. In this webinar recap, you'll learn how Proof of Stake works and then will build a simple blockchain chat app in Javascript! Start learning Blockchain development today! https://www.devslopes.com/collections?category=blockchain Devslopes is dedicated to teaching beginners and non-programmers all about app, web, backend and blockchain development. We've taught over 200,000 students how to code. Many of our students have successfully picked up skills in iOS, Android and Web Development and even landed jobs as jr. developers from taking our courses. If you enjoyed this video be sure to LIKE and SUBSCRIBE to our channel. Happy coding! ▶ Learn more at http://devslopes.com/ ▶ Instagram: https://www.instagram.com/devslopes/ ▶ Facebook: https://www.facebook.com/devslopes/ ▶ Twitter: https://twitter.com/devslope ▶ Snapchat: devslopes
Views: 10464 Devslopes
Constructing a Bitcoin transaction using python  - 1/5
 
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This video is for people who wants to use (almost) raw python code to Constructing a Bitcoin transaction. If you loved this video, show me the love! BTC address: 1LxhkGzGu6q2LSfAGuH2DNBChmLhHkuQzP In the previous videos I've explained how to connect to the bitcoin network, as well as how to use private and public keys. I suggest that you'll check out these videos: https://www.youtube.com/playlist?list=PLH4m2oS2ratfeNpZAoVwPlQqEr3HgNu7S In this video I'm using the external libraries: ecdsa and base58 You can see the complete code on github: https://github.com/Shultzi/Mybitcoin My blog: http://zeltsinger.com/ Some recommended links: Bitcoinbook - https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch02.asciidoc#transaction-aggregating Hen Shirriff's blog -http://www.righto.com/2014/02/bitcoins-hard-way-using-raw-bitcoin.html The royal fork - http://royalforkblog.github.io/ wiki - https://en.bitcoin.it/wiki/Transaction https://en.bitcoin.it/wiki/Script bitcoin.org Developer documentation -https://bitcoin.org/en/developer-documentation
Views: 5845 Shlomi Zeltsinger
How to Use Blockchain Receive Payments API V2 BIP32 xpub
 
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This tutorial goes over step-by-step on how to use blockchain.info's receive payments API v2 HD BIP32 xpub request and callbacks. Building Bitcoin Websites Book: https://www.amazon.com/Building-Bitcoin-Websites-Beginners-Development/dp/153494544X BTC address: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U Link to code: http://btcthreads.com/how-to-use-blockchain-receive-payments-api-hd-bip32-xpub/
Views: 13613 m1xolyd1an
Demo: Create an Ethereum Smart Contract
 
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http://bit.ly/bitcoincourse Demo showing how to send ether, create and deploy a Smart Contract using the Ethereum Wallet. Part of a larger 3.5 hr course on Bitcoin and Decentralized Technology.
Views: 117597 CuriousInventor
web3.js library, the Ethereum JavaScript API
 
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This video explains what the purpose is of the web3.js library and how to use it. The web3.js library is also known as the Ethereum JavaScript API. To communicate with an Ethereum node or transact with a smart contract deployed on the blockchain from inside a JavaScript or web application you can use the web3.js library. Under the hood the web3.js library communicates with an Ethereum node through JSON RPC calls. The Ethereum node must expose its a RPC layer. The MetaMask extension exposes the web3 API by an injected web3 object which you can access via JavaScript. The MetaMask extension does not support most synchronous web3 API methods. Make your method calls asynchronous! To use the web3.js library in your web application: - Download the web3.js library from: https://github.com/ethereum/web3.js - In the dist folder you will find the files web3-light.min.js and web3.min.js - The file web3.min.js contains the Bignumber module and the file web3-light.min.js does not. If you do not know which one to choose, then use file web3.min.js. Web3.js API code examples can be found at: http://www.mobilefish.com/download/ethereum/web3api.html In the examples asynchronous methods were used if they are available. The demonstration Ethereum Dapp is made for educational purpose. The web interface can be found at: http://www.mobilefish.com/download/ethereum/DemoDapp.html The associated Solidity contract can be found at: http://www.mobilefish.com/download/ethereum/DemoContract.sol.txt The main purpose of this Dapp is to learn how to use web3.js api (v0.x.x) and how interact with a deployed smart contract. To setup the demonstration Ethereum Dapp (DemoApp.html): - Download and deploy the DemoContract.sol smart contract on any test network (testrpc, ropsten, rinkeby, or your own private ethereum node, etc). Save the contract address you will need it later. - Download and install the DemoApp.html on your web server. - Download and install the web3.min.js (v0.19.0) on your web server. - Modify the path to web3.min.js in the DemoApp.html file. - Modify the contract address in the DemoApp.html file. How to use the demonstration Ethereum Dapp (DemoApp.html): - Use a test network. - Have a test account with enough ethers to experiment with. - The demonstration Dapp (DemoApp.html) also works well with MetaMask. Notes: Two versions of DemoApp.html has been created. - A version using callbacks which is not very readable because of using callback trees! For educational purpose you can find this version at (but do not use it!): http://www.mobilefish.com/download/ethereum/DemoDappv0.1.html - The original code has been refactored by using JavaScript Promises. http://www.mobilefish.com/download/ethereum/DemoDapp.html - The DemoApp.html uses only vanilla JavaScript an uses the web3.js library. All code meaning: JavaScript, HTML and CSS can be found in this single web page. Warnings: - The DemoApp.html does not work with the web3.js v1.0.0. - The web3.js library v1.0.0 has many changes. The DemoApp.html will soon be obsolete. - Use the Demonstration Ethereum Dapp on a test environment. Check out all my other Ethereum related tutorial videos: https://goo.gl/eNJVXe Subscribe to my YouTube channel: https://goo.gl/61NFzK The presentation used in this video tutorial can be found at: http://www.mobilefish.com/developer/blockchain/blockchain_quickguide_ethereum_related_tutorials.html The DemoContract.sol used in the video: http://www.mobilefish.com/download/ethereum/DemoContract.sol.txt To interact with the DemoContract.sol use the demonstration Ethereum Dapp (using Javascript Promises): http://www.mobilefish.com/download/ethereum/DemoDapp.html An older version of the demonstration Ethereum Dapp (do not use this): http://www.mobilefish.com/download/ethereum/DemoDappv0.1.html More information about RPC layer can be found at: https://youtu.be/oOfDzXBXoOg The web3.js library can be found at: https://github.com/ethereum/web3.js The web3.js API v0.x.x can be found at: https://github.com/ethereum/wiki/wiki/JavaScript-API The web3.js API v1.0 can be found at: http://web3js.readthedocs.io/en/1.0/ MetaMask web3 API can be found at: https://github.com/MetaMask/faq/blob/master/DEVELOPERS.md #mobilefish #howto #ethereum
Views: 13507 Mobilefish.com
Amirali Sanatinia - Getting Started with Blockchains and Cryptocurrencies in Python - PyCon 2018
 
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Speaker: Amirali Sanatinia Blockchains and cryptocurrencies are getting more popular everyday. The rise and wide adoption of cryptocurrencies such as Bitcoin has attracted a lot of attention, ranging from developers to bankers. However, many people are still not very comfortable with the ideas and concepts behind the blockchain, and workings of cryptocurrencies such as Bitcoin. Therefore, it stops them from entering and exploring the blockchain and cryptocurrency world. In this tutorial, we first explore the cryptographic ideas behind the cryptocurrencies, including hashing, public/private cryptography. This will be followed by the basics of a simplified blockchain. We cover mining, incentives, payment records, ownership, etc. Then we delve into working and playing with a private Bitcoin network, by implementing simple programs in Python to create public/private keys, accounts, and transactions. We further look into services that provide exchange rate data on cryptocurrencies and analyze the data. Slides can be found at: https://speakerdeck.com/pycon2018 and https://github.com/PyCon/2018-slides
Views: 992 PyCon 2018
Blockchain Tutorial | Blockchain Technology | Blockchain Explained | Blockchain Training | Edureka
 
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( Blockchain Training : https://www.edureka.co/blockchain-training ) This Edureka Blockchain Tutorial video will give you a complete fundamental understanding regrading Blockchain and Bitcoin. This video helps you to learn following topics: 1. Issues With The Current Banking System. 2. How Bitcoin Can Help Overcome These Issues? 3. Bitcoin Transaction 4. Blockchain To The Rescue 5. Blockchain Concepts 6. Blockchain Features 7. Blockchain Use Case 8. Demo: Banking Use Case Subscribe to our channel to get video updates. Hit the subscribe button above. Facebook: https://www.facebook.com/edurekaIN/ Twitter: https://twitter.com/edurekain LinkedIn: https://www.linkedin.com/company/edureka #Blockchain #Blockchaintutorial #Blockchainonlinetraining #Blockchainforbeginners How it Works? 1. This is a 4 Week Instructor led Online Course, 20 hours of assignment and 20 hours of project work 2. We have a 24x7 One-on-One LIVE Technical Support to help you with any problems you might face or any clarifications you may require during the course. 3. At the end of the training you will be working on a real time project for which we will provide you a Grade and a Verifiable Certificate! - - - - - - - - - - - - - - - - - About the Course Edureka's Blockchain Course is designed to introduce you to the concept of Blockchain and explain the fundamentals of blockchain and bitcoin. Blockchain course will provide an overview of the structure and mechanism of blockchain. As a beginner, you will be learning the importance of consensus in transactions, how transactions are stored on blockchain, history of bitcoin and how to use bitcoin. Furthermore, you will be taught about the Ethereum platform and its programming language. You will setup your own private blockchain environment using Ethereum. Also, you will develop a smart contract on private Ethereum blockchain and will be deploying the contract from web and console. The course is fed with various use-cases and examples, which makes the learning more interesting. After completing this Course, you should be able to: 1. Comprehend the cryptography and cryptocurrency concepts 2. Encompass the concept of blockchain 3. Understand the importance of blockchain technology 4. Have a deep insight into bitcoin and its network 5. Perceive, how bitcoin transactions are validated by miners 6. Create and use bitcoin account effectively 7. Understand Ethereum blockchain 8. Learn Solidity: Prominent language to develop smart contracts 9. Deploy your private blockchain on web where you can visually see your chains 10. Send transactions between nodes 11. Develop more than one nodes on same blockchain 12. Making your own cryptocurrency 13. Discuss the compelling use-cases of the blockchain 14. Interpret the prospects of blockchain. 15. Assess, how blockchain can improve your business standards. ----------------------------------- Who should go for this course? Anyone having basic programming knowledge and has a zeal to learn new technology can take up the course. Students and professionals aspiring to make a career in the Blockchain technology should opt for the course. ----------------------------------- Why learn Blockchain? Blockchain is a revolutionary technology. It is an ordered back linked-list data structure of blocks of transactions stored in a decentralized peer- to-peer network. It is the underlying infrastructure for bitcoin, a popular cryptocurrency. In near future, many companies will be adopting blockchain technologies for trading publicly. Apart from bitcoin, it can be used for a wide variety of applications such as tracking ownership, digital assets, physical assets, or voting rights. It can also store and run computer code called ‘smart contracts’. However, blockchain is still new and the communities are still exploring the best ways in which it can be used. For more information, please write back to us at sales@edureka.co Call us at US: 1800 275 9730(toll free) or India: +91 88808 62004
Views: 303425 edureka!
Implementing Proof-of-Work in Javascript (Blockchain, part 2)
 
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Adding the proof-of-work mechanism to our homemade Javascript blockchain. Proof-of-work will secure our blockchain against spammers and people trying to tamper with our blocks. ► 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 ► About me 🐦 Follow me on Twitter: https://twitter.com/savjee ✏️ Check out my blog: https://www.savjee.be ✉️ Subscribe to newsletter: https://goo.gl/nueDfz 👍🏻 Like my Facebook page: https://www.facebook.com/savjee
Get Started with Python Bitcoin Program : Programming Bitcoin with Python | packtpub.com
 
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This playlist/video has been uploaded for Marketing purposes and contains only selective videos. For the entire video course and code, visit [http://bit.ly/2y13UAO]. Learn to program Bitcoin API using Python. • Learn how to generate a Bitcoin address • Learn how to generate a Multi-Signature address • Learn how to get the transactional history of a address For the latest Application development video tutorials, please visit http://bit.ly/1VACBzh Find us on Facebook -- http://www.facebook.com/Packtvideo Follow us on Twitter - http://www.twitter.com/packtvideo
Views: 4506 Packt Video
BlockApps: Build a blockchain application in 5 minutes
 
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Watch Kieren James-Lubin, one of the founders of BlockApps, write a Smart Contract-enabled application on the private BlockApps STRATO blockchain in less than 5 minutes.
Views: 69939 vic4wong
How To Fund Your Blockchain Wallet With Bitcoin
 
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In order to fund your Blockchain wallet, you will need 2 things: 1) an account and wallet at Blockchain.info 2) an account at Coinbase: https://goo.gl/0K5Twi Then, simply follow the instructions in the video. Free Video Reveals: How To Earn 3.24 BTC In 51 Days. All For Free http://pdsp.us/cnq689 blockchain explained blockchain technology blockchain technology explained blockchain ted blockchain tutorial blockchain wallet blockchain bitcoin blockchain healthcare blockchain voting blockchain applications blockchain blockchain for dummies blockchain app blockchain api blockchain animation blockchain and bitcoin blockchain and insurance blockchain as a service blockchain account blockchain architecture blockchain and iot blockchain bitcoin adder blockchain bitcoin wallet blockchain buy bitcoin blockchain banking blockchain bangla blockchain bettina blockchain basics blockchain business blockchain bitcoin address blockchain contracts blockchain cryptography blockchain course blockchain coding blockchain china blockchain conference blockchain cryptocurrency blockchain conference 2016 blockchain confirmation blockchain commercial blockchain development blockchain demystified blockchain documentary blockchain demo blockchain database blockchain development tutorial blockchain disruption blockchain dash blockchain dynamics blockchain diamonds blockchain explained simply blockchain ethereum blockchain examples blockchain energy blockchain explanation blockchain encryption blockchain economy blockchain español blockchain eating wall street blockchain finance blockchain future blockchain for healthcare blockchain fintech blockchain for banks blockchain for voting blockchain food blockchain fabric blockchain free bitcoin blockchain game blockchain google blockchain game hack blockchain government blockchain goldman sachs blockchain generator blockchain girl blockchain german blockchain tutorial german blockchain hack blockchain hack 2016 blockchain health blockchain hackathon blockchain hype blockchain how to use blockchain hyperledger blockchain history blockchain hash id blockchain iot blockchain ibm blockchain insurance blockchain implementation blockchain in healthcare blockchain identity blockchain introduction blockchain in supply chain blockchain in banking blockchain in 2 minutes blockchain jobs blockchain java blockchain khmer blockchain kyc blockchain khan academy blockchain lecture blockchain live blockchain logistics blockchain ledger blockchain land registry blockchain loyalty blockchain login blockchain latest blockchain mining blockchain music blockchain mining explained blockchain miners blockchain money blockchain mit blockchain math blockchain merchant blockchain music industry blockchain math explained blockchain news blockchain nodes blockchain nedir blockchain network blockchain node.js nexus 9 blockchain blockchain of things blockchain onecoin blockchain overview blockchain opportunities blockchain ocbc blockchain o que é blockchain on bluemix blockchain open source blockchain programming blockchain programming tutorial blockchain private key blockchain python blockchain princeton blockchain protocol blockchain problems blockchain payments blockchain podcast blockchain presentation que es blockchain blockchain revolution blockchain real estate blockchain receive payments blockchain risk blockchain regulation blockchain receive payments api blockchain r3 blockchain retail blockchain research blockchain remittance blockchain smart contract blockchain supply chain blockchain security blockchain startups blockchain simplified blockchain software blockchain song blockchain stanford blockchain storage blockchain setup blockchain ted talks blockchain to paypal blockchain to bank account blockchain technology tutorial blockchain technology ted blockchain tutorial español blockchain university blockchain uses blockchain use case blockchain under the hood blockchain unconfirmed transaction blockchain usage blockchain urdu blockchain uitgelegd blockchain uk understanding blockchain blockchain vs bitcoin blockchain vs coinbase blockchain video blockchain validation blockchain visualization blockchain wallet tutorial blockchain wallet to bank account blockchain withdraw blockchain wallet address blockchain wall street blockchain world economic forum blockchain wallet to paypal blockchain works blockchain workshop blockchain 101 blockchain 123 blockchain 101 - a visual demo blockchain 2017 blockchain 2016 blockchain 2.0
Views: 132470 Kurt Tasche
[Hindi] API Kya Hota Hai ? | What is API ? | Application Programming Interface Explained
 
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Hello Dosto !! Is video me main aapkon api ke bare me bataunga ki ye kya hota hai aur kaise aapke computer me kaam karta hai. aasha karta hu apko ye video pasand ayegi. is video ko like kare aur apne dosto ke sath share kare. aur agar abhi tak aapne mere channel ko subscribe nahi kiya hai to subscribe bhi jarur kare kyuki main aisi he video lekar aata rehta hu. Subscribe to my channel for more videos like this and to support my efforts. Thanks and Love #TechnicalSagar LIKE | COMMENT | SHARE | SUBSCRIBE ---------------------------------------------------------------------------------- For all updates : SUBSCRIBE Us on Technical Sagar : www.youtube.com/technicalsagarindia LIKE us on Facebook https://www.facebook.com/technicalsagarindia Follow us on Twitter : http://www.twitter.com/iamasagar
Views: 97506 Technical Sagar
Exporting Cryptocurrency Data from Coin Market Cap with Python
 
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This video covers Cryptrack additional functionality: collecting, saving and exporting Top cryptocurrency (by market cap) functionality for future Data Analysis to aid in algorithmic cryptocurrency trading. https://medium.com/@BlockchainEng/how-to-build-an-automated-cryptocurrency-trading-bot-on-binance-with-python-2cd9b5874e44 BlockchainEngineer Fork of Code [github]: https://github.com/Roibal/Cryptrack More info about CoinMarketCap API: https://coinmarketcap.com/api/
Views: 155 Blockchain Engineer
Zero to Blockchain Chapter 04: Build and test the network
 
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The network in Hyperledger Composer is defined by creating a: model file (sample.cto), which describes the members, transactions and assets in the network access control file (permissions.acl) transaction logic (/lib/sample.js) test logic (/test/sample.js) We will create each of these files and then use both the Composer Playground on Bluemix and also the REST services to interact with our first network.
Views: 9216 IBM Redbooks
Trent McConaghy: BigchainDB | Scalable Blockchain Database in Python
 
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Trent McConaghy's talk on the BigchainDB he delivered on PyData Berlin in 2016
Views: 253 Satoshi Watch
ICO REVIEW XSOLUS MAY 2018 - BLOCKCHAIN, WEB & APP SOLUTIONS DEVELOPMENT CROWDFUNDING
 
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Views: 3625 SANEM AVCIL