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Microsoft releases Magnetar: a universal zero-knowledge virtual machine that supports Rust, Go, and C, with quantum-safe proofs implemented using standard hash functions.

Microsoft Research has unveiled Magnetar, a zero-knowledge virtual machine that, for the first time, simultaneously addresses the three long-standing bottlenecks of zero-knowledge proofs in a single system: low generation efficiency, high development barriers, and insufficient post-quantum security. It enables programs written in mainstream languages such as Rust, Go, and others to be compiled and executed directly, with verifiable proofs generated automatically. On average, it is 10–39 times faster than the fastest existing zkVMs, with proof verification taking only about 12 milliseconds. Moreover, its security relies solely on standard hash functions like SHA‑256 and SHA‑3—NIST‑standardized algorithms that have stood the test of decades of cryptographic scrutiny—eliminating the need for trusted setups, elliptic curves, or novel mathematical assumptions that have not been thoroughly validated.

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Simulating student learning for better AI tutoring

StudentSim is a research system for evaluating and improving AI tutoring tools before they are tested with learners. It models how individuals may engage with tutors, giving feedback to improve tutor performance across subjects like chess, writing, and mathematics. The post Simulating student learning for better AI tutoring appeared first on Microsoft Research.

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What AI gets wrong and what failure teaches us

Jennifer Neville did not want to go into computer science—but that’s exactly where she landed. Neville discusses the starts and stops that led to her professional sweet spot and her work identifying “surprising failures” making it hard for AI to handle complexity. The post What AI gets wrong and what failure teaches us appeared first on Microsoft Research.

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