[#CBlockIndex-GetBlockHash]
= xref:CBlockIndex.adoc[CBlockIndex]::GetBlockHash
:relfileprefix: ../
:mrdocs:

Returns the hash of this block.

== Synopsis

Declared in `<chain.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:uint256.adoc[uint256]
GetBlockHash() const;
----

== Return Value

The block hash. The block must have an associated hash.


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