Thanks for all of the interest in OnlyKey! Full disclosure, I work for CryptoTrust and am on the team that makes OnlyKey. I wanted to try to address the questions/concerns in this thread in one place and provide some useful links for more information. OnlyKey started from a successful kickstarter launch in 2016 and has grown to become a popular product for businesses and individuals.

- OPEN SOURCE - If you are looking for OnlyKey source you will find it here https://github.com/trustcrypto all of our apps and firmware is open source. OnlyKey is not open hardware, however the hardware design is very transparent, literally. The device has a clear protective coating on the hardware which in addition to adding durability allows visually verifying everything.

- ABOUT SECURITY - Security documentation is here https://docs.crp.to/security.html and provides information on how OnlyKey random number generator works, supply chain, side-channel attacks etc. One thing that you will notice about OnlyKey that differentiates it from other security keys is the on key PIN entry. While no device is immune to hacking, this feature mitigates many traditional threat models. We are always open to discussing specific threat models openly on our support forum.

- WHERE TO GO FOR MORE INFO Get started - https://onlykey.io/start General documentation - https://docs.crp.to/ FAQs - https://docs.crp.to/faq.html Compare to Yubikey - https://crp.to/p/ Setup and User's Guide - https://docs.crp.to/usersguide.html Features - https://docs.crp.to/features.html Support - https://forum.onlykey.io/ List of supported services - https://onlykey.io/pages/works-with-onlykey