Justin Drake: Quantum computing could break crypto keys in minutes, Ethereum aims for post-quantum security by 2029, and the race to secure blockchain against quantum threats | Unchained Quantum computing could threaten crypto security, urging urgent upgrades to protect digital assets. The post Justin Drake: Quantum computing could break crypto keys in minutes, Ethereum aims for post-quantum security by 2029, and the race to secure blockchain against quantum threats | Unchained appeared first on Crypto Briefing. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Bitcoin - @ February 12, 2026 9:04 pm