A crowdfunding platform on blockchain

Turnkey Wallet automation bot for multi-account transfers using proxy or non-proxy setup. Built for airdrop farming and task automation.

My-Medi: Safely store, manage & share medical records with blockchain security. Utilizes React, Tailwind CSS, Ethereum, and Solidity for seamless integration. Connect your wallet, upload records, and manage access effortlessly. Experience secure healthcare data management with My-Medi today!

Arc Bridge Swap: Uniswap V2 DEX + Circle Bridge Kit integration for Sepolia, Arc testnet, Base Sepolia, Optimism Seoplia, Arbitrum Sepolia and Solana Devnet USDC transfers

A decentralized Ethereum DApp for combating counterfeiting: Manufacturers issue limited-edition products as immutable blockchain certificates. Securely transfer ownership & verify authenticity instantly via MetaMask. Features: Issue, Transfer, Verify, History views. Built w/ Solidity, Web3.js, Bootstrap.

Zero-Knowledge Proof of Human: prove you are a unique human without revealing who you are. No KYC, no biometrics, pure cryptography. Built on Semaphore V4.

🥬 Solidity Course Contents 🥬

The contract on Etherscan

A Crypto Coin game in which i am using SepoliaETH in sepolia Testnet. User bet the amount to bid and flip the coin, if the flip matches with user bid then user receivese 2x the amount of bid he put back to his account and if lost than user will lose the bid amount. Here, we are not using real ETH, all this thing is in Sepolia Test network.

Blockchain-based firmware integrity registry: Solidity contract + Python client for versioned, anti-rollback firmware verification on Ethereum (Sepolia).

⛓ Decentralized crowdfunding protocol on Ethereum — Solidity, DAO governance, NFT rewards, multi-token donations & full-stack Next.js dApp

CitraChain is a decentralized marketplace that allows farmers to list produce on-chain, buyers to purchase directly using crypto wallets, and consumers to verify authenticity via blockchain-backed QR codes—eliminating middlemen and ensuring fair trade.

Web3Funding is a decentralized crowdfunding web application that allows users to create accounts, request funds, and fund projects using Ethereum Sepolia. The platform leverages blockchain technology to ensure transparency and security in crowdfunding campaigns.

Decentralized prediction market dApp on Ethereum Sepolia. YES/NO & multi-outcome parimutuel markets, PRED token rewards, Chainlink oracles, referral system, and The Graph subgraph. Built with Solidity, Next.js 14, wagmi v2, and RainbowKit.

Project involving blockchain technology. Incorporated Ether transfers, revolutionizing fundraising for various social campaigns. Leveraged blockchain for decentralized crowdfunding, reducing costs and enhancing efficiency by eliminating intermediaries

PredictFi is a blockchain-based prediction market platform that allows users to forecast real-world events using a custom ERC-20 token. Built for transparency and decentralization, it enables trustless event creation, token-based participation, and secure outcome resolution — all powered by smart contracts.

A user-friendly decentralized application (DApp) that allows contributors to make donations in Ethereum (ETH) to support charitable causes. This project leverages blockchain technology to ensure transparency and security in transactions.

Time-Locked ETH is a Sepolia-based decentralized deposit system that functions as a crypto alternative to traditional savings accounts. It allows users to lock ETH for customizable durations, promoting disciplined saving through blockchain transparency. Users can withdraw early with a 5% penalty, ensuring flexibility

Decentralised voting application using blockchain

A Foundry-based ERC20 token sale and refund system deployed on the Sepolia testnet. Features include "God Mode" and sanctions-enabled tokens, buy/sell mechanics, partial refunds, and secure owner controls. Includes unit + mutation testing, OpenZeppelin libraries, and contract verification via Etherscan.