MIT Sigma Xi is a 501(c)(3) nonprofit entity dedicated to advancing scientific research, education, and interdisciplinary collaboration. Your tax-deductible donation directly supports our programs and foundational initiatives. If you prefer to give in cryptocurrency, we accept donations on Base. Limited-Time Match: Seeded by $1,250 from the 2025 Kurzweil Prize, all contributions through January 18, 2026 receive a 20% match (while funds last).