[#NetMsgType-MEMPOOL]
= xref:NetMsgType.adoc[NetMsgType]::MEMPOOL
:relfileprefix: ../
:mrdocs:

The mempool message requests the TXIDs of transactions that the receiving node has verified as valid but which have not yet appeared in a block&period;

== Synopsis

Declared in `&lt;protocol&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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inline constexpr char const* MEMPOOL = &lcub;&quot;mempool&quot;&rcub;;
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