Olanetsoft

Decentralized Identity – Build a Profile with Next.js, Ethereum & Ceramic Network

In this workshop, you will learn about how to build a decentralized identity profile with Ethereum on Ceramic Networks.

Prerequisites

To go through this tutorial, you'll need some experience with JavaScript and React.js. Experience with Next.js isn't a requirement, but it's nice to have.

Make sure to have Node.js or npm installed on your computer. If you don't, click here.

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Looking for an article ideas??

Here are some SEO, eye-catchng, clickbait article ideas that you can leverage to create content. This will be constantly updated based on relavancy.

If you already published one or two contents this year, kindly join the #1ArticlePerWeek #1ArticleBiWeekly chanllenge by sending a PR to this repo. Don't forget to drop a star ⭐️

Artificial Intelligence:

• "Revolutionizing Healthcare: The Power of AI"
• "The Dark Side of AI: Ethical Implications to Consider"

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Series 1: Mara Blockchain Masterclass - Ghana

This workshop is targeted at developers who are transitioning from Web2 to Web3 or have just recently gotten into Web3 and are looking to have a well-rounded foundation.

This first workshop is Series 1 in the three-part series that aims to introduce you to the blockchain and how to build on the blockchain.

Olanetsoft

Building and Deploying USDC-based Smart Contract

This workshop is targeted at developers who are transitioning from Web2 to Web3 or have just recently gotten into Web3 and are looking to have a well-rounded foundation.

Step 1

Let's ensure we have Node/NPM installed on our PC. If we don't have it installed, head over here for a guide.

Step 2

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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

// Abstract
interface USDC {
    function balanceOf(address account) external view returns (uint256);
    function allowance(address owner, address spender) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function approve(address spender, uint256 amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

Olanetsoft

import dotenv from "dotenv";
import fs from "fs";
import { Account, Contract, ec, json, stark, Provider, number } from "starknet";
import readline from "readline";

dotenv.config();

// Initialize provider
const url = process.env.STARKNET_TESTNET_ENDPOINT;

Olanetsoft

Series 1: Mara Blockchain Masterclass - Nigeria

This workshop is targeted at developers who are transitioning from Web2 to Web3 or have just recently gotten into Web3 and are looking to have a well-rounded foundation.

This first workshop is Series 1 in the three-part series that aims to introduce you to the blockchain and how to build on the blockchain.

Steps to set up a project, build and deploy a smart contract.

Step 1

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const { expect } = require("chai");
const { ethers } = require("hardhat");

describe("NewsFeed", function () {
  this.timeout(0);

  let NewsFeed;
  let newsFeedContract;

  before(async () => {

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//SPDX-License-Identifier: Unlicense
pragma solidity ^0.8.0;

import "hardhat/console.sol";
import "@openzeppelin/contracts/utils/Counters.sol";

contract NewsFeed {
    uint256 totalFeeds;

    using Counters for Counters.Counter;

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const main = async () => {
  const [deployer] = await hre.ethers.getSigners();
  const accountBalance = await deployer.getBalance();

  console.log("Deploying contracts with account: ", deployer.address);
  console.log("Account balance: ", accountBalance.toString());

  const Token = await hre.ethers.getContractFactory("CoffeePortal");
  const portal = await Token.deploy({
    value: hre.ethers.utils.parseEther("0.1"),