---
id: 2005
title: "How contract migration works"
source_domain: blog.trailofbits.com
source_url: "https://blog.trailofbits.com/2018/10/29/how-contract-migration-works/"
published_at: "2018-10-29T10:50:16Z"
tags: ["web3", "smart-contracts", "migration", "blockchain", "ethereum", "trailofbits"]
phying_url: "https://phying.com/item/2005"
lang: en
---

# How contract migration works

## Summary

Explains smart contract migration as the fallback when contracts fail: recovering data, writing it to a fresh deployment, plus cost concerns and when migration beats upgradeability.

## Intelligence Metadata

- **Sources:** blog.trailofbits.com
- **Published:** 2018-10-29T10:50:16Z
- **Original:** https://blog.trailofbits.com/2018/10/29/how-contract-migration-works/
- **Phying News:** https://phying.com/item/2005