Helper smart contract to make easier and safer usage of the `CREATE2` EVM opcode.

Helper smart contract to make easier and safer usage of the `CREATE` EVM opcode.

A simple multilateral escrow smart contract for ETH and ERC-20 tokens governed by Cobie.

Helper smart contract for batch sending both native and ERC-20 tokens.

A fully-fledged Hardhat project template based on TypeScript.

This Bash script calculates the Safe transaction hashes by retrieving transaction details from the Safe transaction service API and computing both the domain and message hashes using the EIP-712 st…

ZKsync emergency upgrade verification tools.

Factory smart contract to make easier and safer usage of the `CREATE` and `CREATE2` EVM opcodes as well as of `CREATE3`-based (i.e. without an initcode factor) contract creations.

Hardhat plugin to deploy your smart contracts across multiple EVM chains with the same deterministic address.

P256 (a.k.a. secp256r1 elliptic curve) signature verification 🐍Vyper contract.

State-of-the-art, highly opinionated, hyper-optimised, and secure 🐍Vyper smart contract building blocks.

A sandbox environment for ZKsync Era Vyper compiler testing.

Detect if a contract has been deployed in the latest (or predefined) block from an address that was previously funded through Tornado.Cash.

Three scripts to ordinary generate, EIP-4844-type generate, and execute a signed raw transaction with `ethers`.

This repository implements a simplified PoC that demonstrates how signature malleability attacks using compact signatures can be executed.

This repository implements a simplified PoC that showcases how a contract can morph. A similar approach was used as part of the governance attack on Tornado Cash in May 2023.

This repository implements a simple fork test on Optimism that proves that the EVM behaviour of the forked chain is not identically replicated locally.

A Python script designed to retrieve comprehensive domain status reports from multiple blocklist providers.

White hat frontrunning script to outpace hackers and secure funds from compromised wallets.

This repository implements a Python function that recovers the private key from two different signatures that use the same random nonce during signature generation.

A chronological and (hopefully) complete list of reentrancy attacks to date.

A simple Python script to check how many Telegram groups a user is in.

My personal website.

My public profile.

This guide explains how to sign and encrypt an email using the `gpg` (GNU Privacy Guard) tool from the command line.

Monorepo for my personal configurations.

The moment you Rust, you should look for your Mojo 🔥.

A JavaScript script that converts the mnemonic phrase into a wallet private key using the ethers.js library.