[#CBlockIndex-2constructor-05]
= xref:CBlockIndex.adoc[CBlockIndex]::CBlockIndex
:relfileprefix: ../
:mrdocs:

Constructs an empty block index entry.

== Synopsis

Declared in `<chain.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
CBlockIndex() = default;
----


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