Andrew Stone
Engineer at Oxide who led design and implementation of the Trust Quorum system for the Oxide rack, focusing on root-of-trust, secure channels, and Shamir secret-sharing-based key management.
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Apr 4, 2026 • 1h 26min
Building a Quorum of Trust in the Oxide Rack
Finch Foner, cryptography and distributed-systems engineer who implemented sans-IO protocol core and ZFS plumbing. Andrew Stone, systems engineer who led Trust Quorum design and Shamir-based key management. They talk about building a rack root of trust, choosing TLS over SPDM, Shamir secret sharing for disk keys, bootstrap vs full quorum designs, simulator-driven testing, and atomic ZFS key rotation.
