[#Consensus-Params-signet_challenge]
= xref:Consensus.adoc[Consensus]::xref:Consensus/Params.adoc[Params]::signet&lowbar;challenge
:relfileprefix: ../../
:mrdocs:

Bitcoin Script challenge that signet block witness commitments must solve (BIP325)&period;

== Synopsis

Declared in `&lt;consensus&sol;params&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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std::vector&lt;uint8&lowbar;t&gt; signet&lowbar;challenge;
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