bootstrap + metamask

In part 1 and part 2 of this tutorial series we have developed an Ethereum smart contract for document certification and a command-line tool to make use of the service. In this third part of the guide, we will look at how we can make this service publicly available through a web application.

Actually, I had planned another topic in Solidity Series for web3.js but then the post could go off tangent hence I am discussing the basics of web3.js and how to interact with a smart contract. I am going to use the same contract I had created here.

I've wanted to do this write-up for a while now, because it's difficult to find good (FREE) material that covers the absolute basics of how you can interact with the functions within a smart contract on a webpage. Smart contracts ultimately boil down to two things.... You READ information stored on the smart contract.

The increasing popularity of single-page applications over the last few years has led to an influx of JavaScript frameworks, including Angular, React, Vue.js, Ember - the list goes on. As a result, it's no longer necessary to use a DOM library, such as jQuery, to build web apps.

Module 1: An Introduction to Blockchain Technology Test hypotheses for business problems that may require blockchain technology. Module 2: Bitcoin and the Curse of the Double-Spending Problem Evaluate bitcoin (and its consensus model) as a specific application of blockchain technology that solves a meaningful problem.

Following the financial crises of 2008, Satoshi Nakamoto proposed and developed a software that was to become new digital money -Bitcoin. With Bitcoin, Satoshi Nakamoto introduced to the world a central bank of the internet, a...

If you've followed this article, then you'll have already installed the correct dependencies. If you haven't, I highly recommend working through it to gain an understanding of smart contract development and the deployment lifecycle. Firstly, create a new project directory and navigate to it from your terminal.

Managing your company's capitalization table properly is a must to report equity ownership or calculate valuations. With digital shares, your share registry lives on the blockchain. It means that it is not only fully secure and immutable, but it also updates itself in real-time.

The CMTA aims to facilitate the use of distributed ledger technology (DLT) in the field of capital markets. The CMTA was created with the idea that DLT - and more particularly blockchain technology - has the potential to simplify the financing of companies and democratize their access to financial markets, which is for the time being, essentially reserved for large companies.

Have a question? We accept clients from all countries, except US persons and residents of: Afghanistan, Belarus, Burundi, Central African Republic, Democratic Republic of the Congo, Guinea, Guinea-Bissau, Iran, Iraq, Lebanon, Libya, Mainland China (Hong Kong and Taiwan accepted), Mali, Myanmar, Nicaragua, North Korea, Somalia, Sudan, South Sudan, Syria, Ukraine, Venezuela, Yemen, Zimbabwe.

Tokenized equity refers to the creation and issuance of digital tokens or "coins" that represent equity shares in a corporation or organization. With the growing adoption of blockchain, businesses are finding it convenient to adapt to the digitized crypto-version of equity shares.

In this article, I will introduce you to over 100+ machine learning projects solved and explained using Python programming language. Before moving to the complex projects in the next section, I advise you to explore these beginner-level projects if you are new to Machine Learning.

Customer Personality Analysis is a detailed analysis of a company's ideal customers. It helps a business to better understand its customers and makes it easier for them to modify products according to the specific needs, behaviours and concerns of different types of customers.

Predicting the reach of Instagram posts is one of the most important tasks for every business that relies heavily on social media customers. So in such competition, it is very important to know how the Instagram algorithm works.

This resource is part of a series on specific topics related to data science: regression, clustering, neural networks, deep learning, decision trees, ensembles...

If you are a React developer, then React Router must not be an Alien to you. React Router is a fully-featured client and server-side routing library for React, a JavaScript library for building user interfaces. React Router runs anywhere React runs; on the web, on the server with node.js, and on React Native.

For this darkmode demo, I need a simple HTML file. In the head section, I include the CSS file styles.css and two JavaScript files darkmode.js and project.js. In the stylesheet, I define the body in...

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TUTORIAL LINKS👉 Sign up for a free account with Alchemy: https://alchemy.com/?a=ece6f9e817👉 Written tutorial: https://docs.alchemy.com/alchemy/tutorials/nf...

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trust-web3-provider,trustwallet | Web3 javascript wrapper provider for iOS and Android platforms.

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Building your own Command Line Interface (CLI) is easier than you might think with Node.js. There are a bunch of open-source packages that can handle colors,...