---
title: "Coldcard enhances security with new firmware after $130M Bitcoin hack, requiring user-generated randomness for seed generation and fixing security flaws found in a 3-week audit."
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/296656025.md"
description: "The most recent Coinkite firmware update mandates users to incorporate their unique randomness when creating wallet seeds. This update also addresses more security vulnerabilities identified during a thorough three-week evaluation."
datetime: "2026-08-21T21:32:28.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/296656025.md)
  - [en](https://longbridge.com/en/news/296656025.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/296656025.md)
generator: "portal-rs"
---

# Coldcard enhances security with new firmware after $130M Bitcoin hack, requiring user-generated randomness for seed generation and fixing security flaws found in a 3-week audit.

The most recent Coinkite firmware update mandates users to incorporate their unique randomness when creating wallet seeds. This update also addresses more security vulnerabilities identified during a thorough three-week evaluation.

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---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**