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

Number of transactions in this block. This will be nonzero if the block reached the VALID_TRANSACTIONS level, and zero otherwise. Note: in a potential headers‐first mode, this number cannot be relied upon

== Synopsis

Declared in `<chain.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
unsigned int nTx = {0};
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