samuelterra22 /
udacity-blockchain-developer-nanodegree
This repository contains the blockchain nanodegree program projects developed in the course of Udacity
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yenxuan1381 / repository
This repository contains the code for an innovative anti-counterfeit product identification system that utilizes the unique capabilities of blockchain technology. The system provides a secure and transparent platform for tracking and verifying the authenticity of products across various industries.
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The Anti-Counterfeit Product Identification System Using Blockchain is an innovative solution that uses blockchain technology to combat counterfeit products in various industries. It uses QR codes, smart contracts, and the Ethereum network to provide a secure and transparent platform for tracking and verifying product authenticity. The system is significant in addressing global supply chain issues by reducing the prevalence of counterfeit goods and enhancing transparency and trust.
Here is a live demo of the full functionality of the project
Here is a blog plost of this project: https://medium.com/p/68d23c7bc41c
The Anti-Counterfeit Product Identification System Using Blockchain is a groundbreaking solution designed to combat global supply chain issues related to counterfeit products. It leverages the unique capabilities of blockchain technology to provide a secure and transparent platform for tracking and verifying the authenticity of products across various industries.
The system uses QR codes, an overt technology that can be scanned by a smartphone app, to verify product information and origin. It employs smart contracts to store and execute product verification logic on the blockchain, ensuring tamper-proof data and trustless transactions. The Ethereum network serves as its decentralized database to store product information and status, accessible by authorized parties. A web interface, powered by React, allows users to interact with the system and view product information and history.
The technologies used in this system include Solidity for smart contract development, Hardhat for Ethereum development environment, React for building the user interface, Node.js for backend development, and ethers.js for interacting with the Ethereum blockchain.
This system is significant in solving global supply chain issues as it provides a reliable method to verify the authenticity of products, thereby reducing the prevalence of counterfeit goods. It enhances transparency and trust among stakeholders in the supply chain, from manufacturers to consumers.
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samuelterra22 /
This repository contains the blockchain nanodegree program projects developed in the course of Udacity
32/100 healthKshitizTayal /
This repository contains the source code for a Blockchain-based Micro-Credentialing System aimed at securely issuing, verifying, and managing micro-credentials (digital certifications). The system leverages blockchain technology to ensure the authenticity and immutability of credentials, addressing issues like fraud and verification inefficiencies.
31/100 healthidenteefi-backend-node directory contains the codebase for the backend of the system.identeefi-frontend-react directory contains the codebase for the frontend of the system.identeefi-postgres-database directory contains the csv files for the backend database.identeefi-smartcontract-solidity directory contains the smart contract deployed to the Ethereum network.To get started with this project,
identeefi-postgres-database, import the csv files to your own postgres database.identeefi-backend-node,run npm i and then run npm start to install the dependencies and change the postgres credentials to your postgres crediantials and run node postgres.js to start the backend execution.identeefi-frontend-react, run npm i to install the dependencies and run npm start to start localhost.identeefi-smartcontract-solidity directory to view the smart contract details that is deployed to the Sepolia Testnet.For more information, you can view our user manual: View User Manual
jitendragangwar123 /
This repository contains a decentralized voting application, often referred to as a Voting Dapp, built on the Ethereum blockchain. This application leverages blockchain technology to create a secure, transparent, and tamper-proof voting system.
31/100 healthsubhashishjs /
This repository contains a rudimentary blockchain implementation written in JavaScript, acting as a playground to explore fundamental blockchain concepts such as hashing, block creation, and maintaining a chain of blocks. It's designed for educational purposes, shedding light on the basics of how blockchain technology operates.
27/100 healthEComToken853 /
About EComToken EComToken is a blockchain-based project designed to integrate e-commerce with decentralized technology using smart contracts written in Solidity. This repository contains the core implementation of the EComToken ecosystem, alongside accompanying JavaScript modules to facilitate interactions and integrations.
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