Google's latest whitepaper suggests that quantum computing could pose a threat to Bitcoin wallet security as early as 2029. This development has accelerated the timeline for what is known as Q-Day, the point at which quantum computers might break current cryptographic systems. The Bitcoin Policy team discusses the implications of this breakthrough, emphasizing the importance of secure key management with the mantra "not your keys, not your coins." The discussion also covers the geopolitical strategies surrounding quantum advancements and the potential vulnerabilities of Bitcoin addresses. As the quantum threat looms, stakeholders are urged to consider migration strategies and the role of governments in defending against quantum risks. The episode highlights the urgency for the crypto community to prepare for a future where quantum computing could disrupt existing security protocols.