[#WitnessV0KeyHash-2constructor-03]
= xref:WitnessV0KeyHash.adoc[WitnessV0KeyHash]::WitnessV0KeyHash
:relfileprefix: ../
:mrdocs:

Construct a null witness key hash.

== Synopsis

Declared in `<addresstype.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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WitnessV0KeyHash();
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