{"library":"py-evm","type":"library","category":null,"description":"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 **As of May 2025, Py-EVM has been archived and is now read-only, with no further development planned.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.**","language":"python","status":"abandoned","version":"0.12.1b1","tags":["ethereum","evm","blockchain","virtual machine","cryptocurrency","archived"],"install":[{"cmd":"pip install py-evm","imports":["from eth.chains.mainnet import MainnetChain","from eth.db.atomic import AtomicDB","from eth.constants import GAS_LIMIT","from eth_utils import to_wei","from eth_utils import encode_hex","from eth_typing import Address"]}],"homepage":"https://py-evm.readthedocs.io","github":"https://github.com/ethereum/py-evm","docs":null,"changelog":null,"pypi":"https://pypi.org/project/py-evm/","npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"compatibility":{"summary":{"python_range":"3.10–3.9","success_rate":100,"avg_install_s":5.4,"avg_import_s":4.54,"wheel_type":"wheel"},"url":"https://checklist.day/v1/registry/py-evm/compatibility"},"provenance":{"verified_status":"passing","verified_at":"Sun Jun 28","last_verified":"Sun Jun 28","next_check":"Tue Jul 28","install_tag":null}}