SEC Briefed on Quantum Threat That Could Break Crypto Encryption The US Securities and Exchange Commission (SEC) has received a proposal warning that cryptocurrencies like Bitcoin BTC and Ethereum ETH could be vulnerable to future quantum computing attacks. Leave a Reply Cancel replyYour email address will not be published.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: Altcoins - @ September 5, 2025 12:15 pm