Coinbase CLO Paul Grewal has expressed concern over the US Treasury's lack of preparedness following a cyber breach that occurred on December 8, 2025, which allowed Chinese hackers access to unclassified documents. Grewal warned that such incidents could undermine public trust in the Bank Secrecy Act, which requires crypto firms to share sensitive customer data with federal agencies. The breach has raised fears within the crypto community about exchanges sharing user data with US agencies and has prompted discussions on cybersecurity practices and the need for better data protection. Digital asset strategist Tanvi Ratna suggested adopting privacy-focused measures like blockchain-based systems and zero-trust models to minimize vulnerabilities.



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