mastering blockchain

, specify the Chaincode to be called by Chaincodeid, as shown above, Chaincode is Fabcar. So what does this chaincode, named Fabcar, look like? Take a look at the code. First of all, this chaincode is placed under this directory: Open this chaincode source file, is written in the go language, the top defines the smartcontract and car two classes, wherein car is the main model object, there are several properties Make,model. The following two methods are related to the fabric network, mainly t

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Blockchain (blockchain) is a big hit right now, with news media reporting that it will create the future. However, there are few easy-to-understand introductory articles. What the blockchain is, what is special and seldom explained. Below, I'll try to write a best-understood blockchain tutorial. After all, it is not a

a three-step guide to rapid understanding of blockchain technology. Since the year after, the small series has been asked by N small partners "what is blockchain." The For this problem, different people may have different answers. In Dr. Xiaofeng's latest speech, he explains the blockchain in terms of the hierarchical decomposition of the

Use Django to implement a runable blockchain application, django Block We are new to the rise of digital currencies and want to know the technology behind it-how blockchain is implemented. However, it is not easy to fully understand blockchain. I like to learn in practice and learn more about the technology by writing code. You can build a

This article describes how to use Python to build a small blockchain technology that is implemented with Python2 with less than 50 lines of code. Although some think blockchain is a solution waiting for problems, there's no doubt that this novel technology is a Mar Vel of computing. But, what's exactly is a blockchain? While some people think the

　　go+ Blockchain Course Outline Blockchainsyllabus course Competitive Advantage Tsinghua University, Microsoft teacher carefully build courses, lasted half a year to develop a unique system of courses, the first to introduce the Go language distributed cluster development.　　First to create blockchain front-end + back-end one-stop development.　　The first to introduce the cottage Bitcoin, fork ethereum, in-de

first section OverviewFor beginners, the content covers the basic concepts related to ethereum development and will teach you how to build a complete de-centralized application based on Ethereum-blockchain voting system.By learning, you will master: Basic knowledge of Ethereum blockchain Software environment required to develop and deploy ethereum contracts Authoring Ethereum contracts usin

introductory Blockchain must-read what the blockchain is. "Blockchain" technology was originally designed by an alias Satoshi for Bitcoin (a digital currency) and a special database technology, it is based on the cryptographic Elliptic Curve Digital Signature Algorithm (ECDSA) to achieve the central to the design of the peer system. But the role of the

verification speed of the blockchain. No need to worry about transactional issues, just care about the output script. Utxo cannot be split, each transaction requires multiple outputs, respectively, for expenses and change. The advantage of the account model is the ability to quickly get the balance of an account, and Bitcoin needs to integrate the total amount of unused transactions in all Utxo owned by the specified address. Save space because there

Blockchain Enthusiast (qq:53016353) In fact, small series A bit hesitant to write this tutorial, in fact, the digital money mining method and LTC almost the same, only need to change the mining port to 8336 can be, but considering that there are still a lot of novices, and ultimately can't help writing, if you have mastered the LTC mining, then you can not read this tutorial, Change the mining port directly to 8336 and then dig it like LTC. If you are

This is a creation in Article, where the information may have evolved or changed. The series of articles I have put on GitHub: blockchain-tutorial, Updates will be on GitHub, and may not be synced here. If you want to run the code directly, you can clone the tutorial repository on GitHub and go to the SRC directory to execute make . Introduction Blockchain is one of the most revolutionary technologies o

This is a creation in Article, where the information may have evolved or changed. Blockchain is currently the hottest topic, the vast number of readers have heard of bitcoin, and perhaps a smart contract, I believe we all want to know how this all work. This article is to help you use the Go language to implement a simple blockchain, with less than 200 lines of code to reveal the principle of the

This article began to enter the "Go to build Blockchain" series, mainly for the original translation. This article corresponds to the following text: Building Blockchain in Go. Part 1:basic Prototype Words do not say much, began to enter the text. 1. Introduction Blockchain is one of the most revolutionary technologies of the 21st century, it is still evolving, a

Recently, the food anti-counterfeiting traceability system formally commercial, Carrefour signed its traceability system for large-scale project construction, mainly to improve food transparency, Carrefour use blockchain technology to build a traceability system, docking the entire production process, to achieve open and transparent supervision.Blockchain technology will change the financial system for the next 20 years and 30. At the same time,

The smallest blockchain is built from Python code with less than 50 lines (original: Let's build the tiniest Blockchain), but the code in the text is based on Python2, and the PYTHON3 environment needs to be modified slightly as follows: (built The first contact with the blockchain students, first read the last reference article of this article)Import Hashlib as

This is a creation in Article, where the information may have evolved or changed. Blockchain is currently the hottest topic, the vast number of readers have heard of bitcoin, and perhaps a smart contract, I believe we all want to know how this all work. This article is to help you use the Go language to implement a simple blockchain, with less than 200 lines of code to reveal the principle of the

March 10, there are netizens in the group to share the suspected Xiaomi blockchain products "encrypted rabbit" link, Xiaomi or will launch their own blockchain game project.First, about the millet blockchain pet "Crypto Rabbit"From the exposure of the 2 group chat, Xiaomi should formally enter the Blockchain game field

This is a creation in Article, where the information may have evolved or changed. The series of articles I have put on GitHub: blockchain-tutorial, Updates will be on GitHub, and may not be synced here. If you want to run the code directly, you can clone the tutorial repository on GitHub and go to the SRC directory to execute make . Introduction At the beginning of this series of articles, we mentioned that bl