[#CScript-IsUnspendable]
= xref:CScript.adoc[CScript]::IsUnspendable
:relfileprefix: ../
:mrdocs:

Returns whether the script is guaranteed to fail at execution, regardless of the initial stack. This allows outputs to be pruned instantly when entering the UTXO set.

== Synopsis

Declared in `<script/script.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
IsUnspendable() const;
----

== Return Value

true if the output is provably unspendable.


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