This repository contains codes and notes from CryptoZombies (Solidity Tutorial & Etherium Blockchain Programming Course)

Building smart contracts with solidity

This repository is designed to be your ultimate guide to mastering Solidity, the programming language for writing smart contracts on the Ethereum blockchain.

A smart contract that takes a flash loan and tries to earn money through cyclical exchange in uniswap pairs.

Smart Contracts For Stock Market with its on ERC20 Currency

Collection of crypto experiments for ETH Online Hackathon 2020

Ethereum Smart Contract basic

This project is a demo of a back-end written in python / brownie and solidity, utilizing several smart-contracts in order to execute staking and borrowing on the defi-platform aave which is deployed to the Etherium-Blockchain.

Small ERC-20 token project written in Solidity that I did during a Blockchain course. This was helpful for me to acquire the main concepts of how a ERC-20 token works.

A python program to interact with aave protocol to deposit, borrow, repay and withdraw tokens

smart-contract and back-end to open up a cash-lottery on the Etherium-Blockchain

Allows users to fund the contract with ETH, ensuring contributions meet a minimum USD value using Chainlink price feeds.

I have successfully developed and deployed a lottery system using smart contracts on the Sepolia testnet. This project uses Solidity, Chainlink VRF 2.5, Chainlink Price Feeds (AggregatorV3Interface)

Tutorial programming and walk through using Solidity Lang

DApp that connects homeowners with builders by auctioning tasks

An e-commerce smart contract with its own custom coin

Smart contract that allows for entry into a lottery and a winner is selected randomly there after closed and the restarts.