I wasn't. I am just interpreting their own words "as open source as possible".
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You said phrase ''certain elements of it will be kept a secret'' and that was not mentioned anywhere by trezor developers or me.
I suggest first reading the link with definition and comparison with closed hardware to learn what open source hardware really means.
I posted a video in one of my previous posts in this this thread and I am following all trezor news regarding this subject.