Some of you might have noticed we have changed the TREZOR firmware license from “completely open-source” (LGPLv3) to “shared-source” (Ms-RSL) two days ago.
When we started working on TREZOR, we chose open development model, because we knew that a security device designed to hold bitcoins has to be transparent. We also wanted to allow people to extend and build upon TREZOR. We never saw open source as an approval of straight copies without any added value.
When exactly this happened, we reacted by changing the license, while keeping the auditability and security of the device unaffected. This reaction was perhaps emotional and impulsive, but it was a genuine statement of how we felt about the matter. Our ideals were being crushed.
After the change, we were amazed by the strength of the feedback showing that you all really do care about open source philosophy.
That’s why we have decided to revert the license change.
If you are the one who wants to contribute in this open spirit, there are many ways how to get involved. Coding firmware or buying a TREZOR device are not the only options. Anyone can help. So please feel free to get in touch with us, we’re always looking for enthusiastic people.
We’d like to thank all of you for feedback and support!
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