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Dev tools · September 20, 2018

Solo, open source FIDO2 security key

Solo 1 firmware in C. Contribute to solokeys/solo1 development by creating an account on GitHub.

Solo, open source FIDO2 security key launched on September 20, 2018 with 98 votes, #349 of 2,635 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 8 years on.

Visit github.com ↗Alternativestop 13% of September 2018

In plain words

Solo is an open source FIDO2 security key for developers and security-conscious users. It provides hardware-based authentication for protecting accounts and services that support the FIDO2 standard. The device stands out for being fully open source, allowing users and developers to inspect and verify its code and design. Solo can be used to secure access to applications and platforms that implement FIDO2 authentication protocols.

written from the facts on this page · September 2026

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