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Solo 2 firmware in Rust

671 starsRust

Open security key on nrf52480 with NFC

by ecesena·Apr 20, 2026·5 points·0 comments

AI Analysis

●●SolidSolve My ProblemNiche Gem

Open-source YubiKey alternative with NFC on cheap nrf52840 hardware.

Strengths
  • Rust-based firmware with Trussed framework enables formal verification and safety.
  • Dual Apache 2.0 and MIT licensing with CERN-OHL-S for hardware designs.
  • Established project with 656 stars and active co-maintenance with Nitrokey.
Weaknesses
  • PR adds nrf52840 support to existing codebase rather than novel architecture.
  • YubiKey and Nitrokey already dominate the hardware security key market.
Category
Target Audience

Security-conscious users, developers needing hardware 2FA

Similar To

YubiKey · Nitrokey · OnlyKey

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