Hack my solidity smart contract

Job ID: 32347176

Budget: $10 – $30 USD

- Explain how someone could deposit more than 1 eth per block
- Find a reentrancy vulnerability and send us a sample contract that exploits it
- Optimise the `receive` function so that it is at least 20% cheaper and send a sample contract showing how the optimisation is done.
Related categories: Ethereum Solidity Smart Contracts