py-evm (Python Ethereum Virtual Machine)

Py-EVM is a Python implementation of the Ethereum Virtual Machine (EVM) designed for readability, flexibility for research and experimentation, and performance in testing. It aims to be a reference implementation for the Ethereum execution layer specifications. **As of May 2025, Py-EVM has been archived and is now read-only, with no further development planned. The last supported Ethereum fork is Prague.**