[#FlatSigningProvider-musig2_secnonces]
= xref:FlatSigningProvider.adoc[FlatSigningProvider]::musig2&lowbar;secnonces
:relfileprefix: ../
:mrdocs:

Optional store of MuSig2 secret nonces&period;

== Synopsis

Declared in `&lt;script&sol;signingprovider&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::map&lt;uint256, MuSig2SecNonce&gt;* musig2&lowbar;secnonces = &lcub;nullptr&rcub;;
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