[#BlockRef]
= BlockRef
:mrdocs:

Bring the block reference type into the current namespace&period;

== Synopsis

Declared in `&lt;node&sol;miner&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
using interfaces::BlockRef;
----

== Introduced Symbols

[cols="1,4"]
|===
| Name| Description
| xref:interfaces/BlockRef.adoc[`BlockRef`] 
| A lightweight reference to a block by hash and height&period;
|===


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