The cryptocurrency industry faces a new challenge as Google's Quantum AI team reveals that fewer than 500,000 qubits are needed to break Bitcoin's elliptic curve cryptography, accelerating the timeline for potential quantum threats to 2029. This revelation has sparked concerns over blockchain security, with Ethereum also identified as having multiple potential attack vectors that could jeopardize DeFi and tokenized assets worth $100 billion. Despite the theoretical nature of current quantum computers, the market has reacted with significant price gains for tokens and protocols with quantum-resistant properties. As quantum technology advances, the focus shifts to whether existing systems can migrate to post-quantum cryptography swiftly enough. The industry is expected to undergo a transformation through protocol-level upgrades rather than collapse, with capital flowing towards quantum-resistant cryptography and upgraded blockchain protocols.