Coinbase’s Head of Investment Research, David Duong, has noted that advances in quantum computing present risks that extend beyond Bitcoin’s private key security, potentially introducing long-term challenges to the network’s economic and security models. However, he stressed that current quantum technology remains far from capable of compromising Bitcoin’s cryptographic defenses. This makes these concerns a long-term consideration rather than an immediate risk. Two Distinct Threats to Bitcoin’s Foundations In a detailed post, Duong explained that the main risk would materialize at a point often referred to as “Q-day
source: https://beincrypto.com/quantum-computing-bitcoin-security-risk/