---
id: 7879
title: "Ethereum Virtual Machine Internals – Part 2"
source_domain: netspi.com
source_url: "https://www.netspi.com/blog/technical-blog/blockchain-pentesting/ethereum-virtual-machine-internals-part-2/"
published_at: "2023-05-25T00:00:00Z"
tags: ["smart-contracts", "blockchain", "ethereum", "solidity", "evm", "storage-slots"]
phying_url: "https://phying.com/item/7879"
lang: en
---

# Ethereum Virtual Machine Internals – Part 2

## Summary

Part two on EVM internals covers persistent contract Storage: how Solidity types map to 32-byte storage slots, SSTORE and SLOAD semantics, and the gas costs that make storage writes expensive.

## Intelligence Metadata

- **Sources:** netspi.com
- **Published:** 2023-05-25T00:00:00Z
- **Original:** https://www.netspi.com/blog/technical-blog/blockchain-pentesting/ethereum-virtual-machine-internals-part-2/
- **Phying News:** https://phying.com/item/7879