Multifactor: $15 Million Seed Funding Raised To Advance Post-Quantum Account-Sharing Security
By Amit Chowdhry ● Dec 6, 2025
Multifactor, a post-quantum security platform designed to safeguard online accounts for both humans and AI agents, has secured a $15 million seed round amid accelerating demand for provably secure, shareable account access. The financing was led by Nexus Venture Partners, with participation from Y Combinator, Taurus Ventures, Honeystone Ventures, Flex Capital, Pioneer Fund, Ritual Capital, Liquid2 Ventures, and several prominent operators in security, AI, and enterprise software, including Mohan and Padma Warrior, Gokul Rajaram, and Mathilde Collin.