Solidity-Smart-Contract

This repository showcases blockchain use cases and projects implemented in the Solidity programming language. Whether you are a beginner or an experienced smart contract engineer, this repository is a valuable resource for learning Solidity and exploring real-world use cases.

dex-aggregator-uniswap-v2

Banking-dApp

Decentralised banking system that facilitates the deposit and withdrawal of ERC20 tokens and Ether. The front-end code interacts with the smart contract to provide a user interface for users to interact with the Bank contract.

online-marketplace-system

The Online Marketplace Backend System is designed to power a dynamic online marketplace similar to e-Bay, enabling seamless buying and selling experiences for users. With robust features and secure transaction handling, the APIs facilitate the listing, searching, and purchasing of both new and used products within specified price ranges.

guessing_game

The program will generate a random integer between 1 and 100. It will then prompt the player to enter a guess. After a guess is entered, the program will indicate whether the guess is too low or too high. If the guess is correct, the game will print a congratulatory message and exit.

banking-cli-app

The Banking CLI App is a command-line interface application that allows users to register, login, and perform banking operations such as depositing money, withdrawing money, checking balance, and transferring money between accounts that exist in OBINNA Bank Database.