<p></p>
<blockquote>
<p>Is the calculation of how Bisq mining fees documented in Github anywhere?</p>
</blockquote>
<p>Mining fee rate is calculated by a 3rd party.  <a href="https://mempool.space/api/v1/fees/recommended" rel="nofollow">https://mempool.space/api/v1/fees/recommended</a><br>
<a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="579705286" data-permission-text="Title is private" data-url="https://github.com/bisq-network/projects/issues/27" data-hovercard-type="issue" data-hovercard-url="/bisq-network/projects/issues/27/hovercard" href="https://github.com/bisq-network/projects/issues/27">bisq-network/projects#27</a></p>
<blockquote>
<p>Is the minimum fee level of current Bisq trades 10 sats/vB documented in GitHub issue anywhere?</p>
</blockquote>
<p>I think it is not documented in an issue.  <a class="user-mention" data-hovercard-type="user" data-hovercard-url="/users/wiz/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/wiz">@wiz</a> frequently explains the reasoning behind having 10 sats/vB minimum: "<em>...because of mining variance and random people suddenly broadcasting huge amounts of transactions</em>".   <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="711532268" data-permission-text="Title is private" data-url="https://github.com/bisq-network/bisq/issues/4575" data-hovercard-type="issue" data-hovercard-url="/bisq-network/bisq/issues/4575/hovercard" href="https://github.com/bisq-network/bisq/issues/4575">#4575</a></p>
<p>Looking at the code, the minimum 10 sats/vB limit has been in the pricenode as far back as its history goes (since 2018).  I would point you to <a class="user-mention" data-hovercard-type="user" data-hovercard-url="/users/cbeams/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/cbeams">@cbeams</a> and <a class="user-mention" data-hovercard-type="user" data-hovercard-url="/users/wiz/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/wiz">@wiz</a> if you want more history.</p>
<blockquote>
<p>On different instances of Bisq prices seem to update at different times. When two instances of Bisq are running then prices are often different. I assume this is due to the nodes they are connected to?</p>
</blockquote>
<p>When idle, Bisq polls the pricenode for fee details at 5 minute intervals.  When making an offer, if the fee details have not been polled within the last 2 minutes, they are refreshed.</p>
<blockquote>
<p>At what point are the fees locked-in. I have all the pop-ups on by default and am shown what the mining fees will be before confirming. I need to press confirm twice. Are the fees locked in at the point of the first confirmation or are they only an estimation?</p>
</blockquote>
<p>They are locked-in at the first pop-up which displays the fees AFAIK.</p>
<hr>
<p>I think your suggestion of having low priority draft offers queued-up for entry is a good idea.  But I don't think it is worthwhile to worry about using fees below 10 sats/vB.  Back a year or two ago when the mempool would completely empty every night, maybe those days are gone now?</p>
<p>For ultra low fees the alternative security models of Misq / Sisq seem more promising.  Maybe best to keep the high security model of on-chain Bitcoin the way it is already without introducing more support and development risk.</p>

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