[#DEFAULT_PERSIST_V1_DAT]
= DEFAULT&lowbar;PERSIST&lowbar;V1&lowbar;DAT
:mrdocs:

Whether to fall back to legacy V1 serialization when writing mempool&period;dat

== Synopsis

Declared in `&lt;kernel&sol;mempool&lowbar;options&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
inline constexpr bool DEFAULT&lowbar;PERSIST&lowbar;V1&lowbar;DAT = &lcub;false&rcub;;
----


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