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1. Decentralized-Storage-IPFS Decentralized-Storage-IPFS Public

   This is a decentralized IPFS/File storage system that connects to the blockchain via web3 and requires a crypto payment fee to add your Decentralized file to the system.

   JavaScript 1

2. Ethereum-Quadratic-CrowdFunding Ethereum-Quadratic-CrowdFunding Public

   Quadratic Crowdfunding built on Ethereum Blockchain

   JavaScript 1

3. Setup a Nodejs Backend Setup a Nodejs Backend

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   const express = require("express");

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   const app = express();

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   require("dotenv").config();

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   const mongoose = require("mongoose");

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   const user = require("./models/user");

4. Authenticate using Passport.js Authenticate using Passport.js

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   const mongoose = require("mongoose");

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   const passportLocalMongoose = require("passport-local-mongoose");

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   const userSchema = new mongoose.Schema({

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     email: {

5. Implementation of JWT in Node.js Implementation of JWT in Node.js

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   const express = require('express');

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   const jwt = require('jsonwebtoken');

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   const app = express();

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   app.get('/api',(req,res) =>{

6. Web3.js Boilerplate code Web3.js Boilerplate code

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   import NFTContractBuild from 'contracts/NFT.json';

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   import Web3 from 'web3';

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   let selectedAccount;

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   let isInitialized = false;