<p>My issue with using external channels of communication is that almost all of them store metadata (at best) and full message contents (at worst), negating many of the privacy measures in Bisq. I don't think users would like that.</p>
<p>The only fairly widely-used tool I'm aware of that might work is Signal, but then you have to reveal your phone number to each trader.</p>
<p>Built-in chat gets around these issues.</p>
<p>But if building chat into the software turns out to be more work than expected, I do think exploring other options is prudent. That's why I recommended checking out Briar above.</p>

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