There has been plenty of hacks when a smart contract was forked and some things were changed without full understanding of the code. To help auditors I have built https://contract-diff.xyz This is how it works 🧵 For popular contracts like OpenZeppelin, Uniswap, Sushiswap, etc two kinds of hashes were computed: md5 hashsums & simhashes. Using […] The post contract-diff: find bugs in smart contract forks first appeared on Raz0r — Web3 Security.