[#CBlockHeader-nVersion] = xref:CBlockHeader.adoc[CBlockHeader]::nVersion :relfileprefix: ../ :mrdocs: Block version number, signaling supported consensus rules. == Synopsis Declared in `<primitives/block.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- int32_t nVersion; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#