ERC-223 token standard reference implementation.

Seriality is a library for serializing and de-serializing all the Solidity types in a very efficient way which mostly written in solidity-assembly

Ethereum Smart Contract starting template

A marketplace where one can sell or buy NFTs using (ETH / BNB) coin or (ETK) token. Implements ERC20 and ERC721 token standards for Token and NFTs respectively. Openzeppelin open source library for ERC20 and ERC721 is used as the base code for our contracts.

Crypto arbitrage bot that searches for a significant difference in crypto prices on a number of exchanges and will execute the simultaneous buying and selling of said crypto through a flash loan provided by the AAVE Flash Loan Smart Contract V2.

Implements proof of historical data possession on the Ethereum blockchain

Kuiper Marketplace where you can sell, buy, create offer, create auction, and bid place to auction. Implements ERC721 and ERC20 token standards. Used Openzeppelin library for ERC721 NFT and ERC20 token.

Bare-bones implementation of the Sablier protocol

This is project created using solidity programming language.

A marketplace where one can buy pre-uploaded Graphic NFTs (Shroomies) on IPFS. One can also buy Heros which are randomly minted according to their rarity. Heroes can be staked to earn rewards and have their own marketplace. Contracts are deployed on Binance Smart Chain by default.

🏦 Decentralized banking system is a DApp built on Ethereum blockchain with smart contract on solidity.

Notes about Ethereum, Smart contracts and DApps

32 hours course of basics crypto with TS and JS

The XBR Protocol - blockchain protocol for decentralized open data markets

Decentralized KYC Verification Process for Banks using Ethereum

CryptoTulip — digital art on the blockchain.

Payment channel for Ethereum

This is a blockchain based guess the correct order of cards game, those cards add to your token list as NFT or the ERC-721 and reward you in the same or an ERC-20 token which can also be called as cryptocurrency.

Solidity smart contracts for https://t3rm.dev.