Yassin Mahmud Abdul Quddus 
In the first part, we connected the front end with Metamask but couldn’t fetch the balance. Let’s try to fetch the balance from the wallet this time. But first, install the ether.js library to communicate with the smart contract. Import ether.js library to App.js. Now we need to import the contract ABI. 💡 The contract … Read more
Project Scenario In this 2-part series, I’ll show you how I built my own ERC-20 token like ETH in this project. I share this because you may want to do the same and learn from my experience. 👉 Recommended: How I Built My Own ERC-20 Token (2/2) I use Solidity to write a smart contract … Read more
We completed a transaction in the last part, but the transaction data had yet to be seen. In this part, we will drive the smart contract data to the user interface. The user’s data and the transaction time will be displayed on the user interface. This is part 4 of our four-tutorial series on creating … Read more
This is part 3 of our four-tutorial series on creating a decentralized web app to sell ebooks: 👇 We will connect the front end with the smart contract in this part of the series. The interaction with the smart contract will be done using ether.js. Move to the app.js file inside the source folder. We … Read more
This is part 2 of our four-tutorial series on creating a decentralized web app to sell ebooks: 👇 In the previous part, we built the smart contract and deployed it on the hardhat node for testing. Now it’s time to deploy the contract on the testnet. But before that, let’s install the react app first. … Read more
Welcome to another project of a decentralized dapp with React and ether.js. This is part 1 of our four-tutorial series on creating a decentralized web app to sell ebooks: 👇 Project Scenario We will build an ebook stall from which anyone can buy an ebook on a monthly subscription basis. The buyer will submit his … Read more
One of the presiding JavaScript libraries for interacting with the Ethereum blockchain is ether.js. The ether.js library, only 88 KB compressed in size, is remarkably smaller than the web3.js library. Because of that, web apps load more quickly if you use the ether.js API. This constantly improving library has already been popular among developers for … Read more
Solana, one of the blockchains that offer an incredibly low transaction fee, is well known for its speed and efficiency. Compared to Ethereum‘s 15 transactions per second, Solana’s network can handle about 3,400 transactions per second. 🛑 Attention: There is no free lunch — Solana sacrifices decentralization to accomplish this speed. Still — many freelancing … Read more
Welcome to the second part of the series. In the first part, we have seen how web3.js helped the react frontend to connect to the smart contract. 👉 Recommended Tutorial: Learn to Build Smart Contracts in React with web3.js: Here’s How! (1/2) We explored the power of the “web3.eth” attribute to call the data from … Read more
A question often asked by newbie learners while developing the smart contract is, “How to connect my frontend code with the smart contract?”. The answer should be web3.js till day. web3.js has a collection of libraries that allows you to interact with a local or remote Ethereum node. Consider it an interface connecting the front … Read more
How to Sell Coupons on ETH? Creating your own sample dApp in four parts: Welcome to the last part of the series. 🛑 Note: This is just a training “fun” dApp that shows you how to use React, Truffle, and Solidity. It is not a real dApp with real functionality! Imaginary Scenario: Finxter academy has … Read more
How to Sell Coupons on ETH? Creating your own sample dApp in four parts: Welcome to the front-end journey for the Finxter coupon Dapp. 🛑 Note: This is just a training “fun” dApp that shows you how to use React, Truffle, and Solidity. It is not a real dApp with real functionality! Imaginary Scenario: Finxter … Read more