The project contains design patterns and anti-patterns of smart contract development on Solidity.
Some are solutions from Ethereum CTF - https://ethernaut.openzeppelin.com/
Lottery contract on Rinkeby testnet - https://rinkeby.etherscan.io/address/0x520181fd490f4015457e8e343c8bd3c793445de4
Lottery contract on Rinkeby testnet - https://rinkeby.etherscan.io/address/0x520181fd490f4015457e8e343c8bd3c793445de4