---
title: "Discussion on \"Inside a TC String: What the IAB TCF Stores and What Changed in 2.3\" | Hashnode"
description: "Discussion on \"Inside a TC String: What the IAB TCF Stores and What Changed in 2.3\". What a TC string holds, how to decode one with @iabtechlabtcf/core, and why TCF 2.3 made the Disclosed Vendors segment mandatory."
url: "https://hashnode.com/posts/inside-a-tc-string-what-the-iab-tcf-stores-and-what-changed-in-2-3/6abfab91b0ed16e121623ec1"
---

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# [Inside a TC String: What the IAB TCF Stores and What Changed in 2.3](https://dpworld.hashnode.dev/inside-a-tc-string-what-the-iab-tcf-stores-and-what-changed-in-2-3?utm_source=hashnode&utm_medium=feed)

What a TC string holds, how to decode one with @iabtechlabtcf/core, and why TCF 2.3 made the Disclosed Vendors segment mandatory.

Oct 2 · 2 min read · dpworld.hashnode.dev  
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[Flora Wilson](https://hashnode.com/@florawilson)

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