#199 - What Aussies Need To Do To Protect Their Bitcoin After The ColdCard Hack

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After the ColdCard hack drained more than $150 million in Bitcoin, Matthew sits down with Andrew & Bayani, two of Australia’s leading Bitcoin security experts to break down what really happened, who’s at risk, and what Aussies must do now to protect their stacks. This episode covers the vulnerability, the scale of the breach, and the practical custody steps every Bitcoiner should be considering.

◼️ How the ColdCard PIN flaw exposed thousands of wallets

◼️ Why randomness and entropy matter for Bitcoin security

◼️ The real risk to single‑sig holders and why passphrases bought time

◼️ Multi‑sig, guided custody, and how Bitcoin Advisor structures protection