Private Broadcast May Reveal Sender IP Address in Bitcoin Core 31.0

<p>We have become aware of a privacy bug in the <code class="language-plaintext highlighter-rouge">-privatebroadcast</code> feature, newly introduced in Bitcoin Core 31.0, that may cause the originator’s IP address to be revealed to the receiving peer under certain network conditions. A fix is forthcoming and will be released with 31.1. Users of <code class="language-plaintext highlighter-rouge">-privatebroadcast</code> are advised to apply one of the workarounds below until 31.1 is released.</p> <h2 id="affected-users">Affected users</h2> <p>This bug affects users where all the following are true:</p> <ul> <li>The node is running Bitcoin Core 31.0 and <code class="language-plaintext highlig