FULL STORY

Coldcard Wallet Hack: From $90M Theft to AI Replication

A flaw in Coldcard hardware wallets led to nearly $90 million in stolen assets. The vulnerability's severity was later highlighted when a user replicated it in just 8 minutes using Claude Code.

2026-08-02 ~ 2026-08-03 · 2 episodes · 6 posts

Episode 1 · Coldcard Wallet Exploit Risks $90M Amid AI Concerns (2026-08-02, 2 posts)

Coldcard hardware wallet suffered multiple attacks due to an entropy source flaw, resulting in the theft of over $88 million across 4,585 addresses. The incident has sparked community concerns that AI coding tools could make exploiting such vulnerabilities highly accessible.

Episode 2 · Claude Code Replicates Hardware Wallet Flaw in 8 Minutes (2026-08-03, 4 posts)

AI tool Claude Code successfully replicated a Bitcoin hardware wallet vulnerability in just 8 minutes, the same flaw that led to an $89 million hack. This highlights AI's powerful code review capabilities while raising concerns about automated security risks.