Best resources for Solidity gas optimizations ⛽

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

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.

📝 Very Simple ERC-20 Smart Contract Template to create your own Cryptocurrency on the Ethereum Blockchain, with many customizable Options 📝

A PoC for recurring payments on Ethereum using the ERC20 standard and a timelocked proxy of transferFrom().

Solidity Pwn Scenarios

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.

🌐 A Collection of Notes & Knowledge about Solidity inline Assembly 🔧

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.

Smart Contracts for Online Lottery project (it's not production version – random vulnerability)

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

Notes about Ethereum, Smart contracts and DApps

Sketchbook for my Ethereum contracts

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.

This crowd funding smart contract is built in solidity using remix IDE.

Ethereum (Solidity) developer course, quiz

A burnable ERC-20 token contract with staking, reward distribution and a functions for buying & selling tokens. 0.2% burn on every transfer transaction of the token. Written in solidity and ready to deployed on Ethereum, BNB or Polygon.

Contracts for GaugeCash ecosystem

Decentralized DAO voting by Solidity on Ethereum blockchain