[#CDiskBlockIndex-2constructor-01]
= xref:CDiskBlockIndex.adoc[CDiskBlockIndex]::CDiskBlockIndex
:relfileprefix: ../
:mrdocs:

Constructs an empty disk block index with a null predecessor hash&period;

== Synopsis

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

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