Microsoft has announced advancements in its quantum computing technology, specifically a new quantum chip that raises concerns regarding the security of cryptocurrencies like Bitcoin. This development has prompted discussions within the cryptocurrency community about potential vulnerabilities, particularly in relation to Bitcoin's BIP360 proposal, which aims to enhance quantum resistance. The founder of Cardano has also outlined a post-quantum security strategy in light of Microsoft's milestone, indicating a proactive approach to addressing these emerging threats. The breakthrough in quantum computing has reignited fears about the implications for Bitcoin and other cryptocurrencies, as experts speculate on the potential risks posed by quantum technology.