A report commissioned by Coinbase highlights the potential threat posed by quantum computing to cryptocurrency security. Authored by an advisory board including experts like Dan Boneh and Justin Drake, the report warns that while current quantum computers cannot break cryptographic technologies used by Bitcoin and Ethereum, future advancements could pose significant risks. The report stresses the need for immediate preparation, as transitioning to post-quantum cryptography could take years. The report notes that major ecosystems like Ethereum and Solana are already developing quantum-resistant technologies. However, challenges remain, such as increased blockchain data costs and the complexity of migrating millions of wallets. The report advocates for a flexible approach to transition strategies, emphasizing the urgency of starting preparations now to avoid future security crises.