[#btck_BlockTreeEntry-0d]
= btck&lowbar;BlockTreeEntry
:mrdocs:

Opaque data structure for holding a block tree entry&period;

== Synopsis

Declared in `&lt;kernel&sol;bitcoinkernel&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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struct btck&lowbar;BlockTreeEntry;
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== Description

This is a pointer to an element in the block index currently in memory of the chainstate manager&period; It is valid for the lifetime of the chainstate manager it was retrieved from&period; The entry is part of a tree&hyphen;like structure that is maintained internally&period; Every entry, besides the genesis, points to a single parent&period; Multiple entries may share a parent, thus forming a tree&period; Each entry corresponds to a single block and may be used to retrieve its data and validation status&period;


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