Tutorial for building DeFi arbitrage bots

Build your first app on Optimism!

A box containing all you need to get started with developing Aave v1 flash loans

Yearn smart contracts

A private payment system for Ethereum-based blockchains, with no trusted setup.

[Optimism] Smart Contracts

Minimalist USD - A minimalist, collateralized stablecoin built on Ethereum.

Reference implementations for ERC20 Flash Loans and Flash Mints

Bridge between L1 (Ethereum) and L2 (cheapETH)

Smart contracts for the Aragon Network Token

Loot Boxes are Ethereum smart contracts that can be traded like NFTs and plundered by the owner

The Learning Curve smart contracts

Staking app

A smart contract that allows users to leverage up on ETH with built in stop-loss using MakerDAO and Uniswap.