.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
.TH BITCOIN-UTIL "1" "March 2025" "bitcoin-util v29.0.0rc3" "User Commands"
.SH NAME
bitcoin-util \- manual page for bitcoin-util v29.0.0rc3
.SH SYNOPSIS
.B bitcoin-util
[\fI\,options\/\fR] [\fI\,command\/\fR]
.br
.B bitcoin-util
[\fI\,options\/\fR] \fI\,grind <hex-block-header>\/\fR
.SH DESCRIPTION
Bitcoin Core bitcoin\-util utility version v29.0.0rc3
.PP
The bitcoin\-util tool provides bitcoin related functionality that does not rely on the ability to access a running node. Available [commands] are listed below.
.SH OPTIONS
.HP
\fB\-help\fR
.IP
Print this help message and exit (also \fB\-h\fR or \-?)
.HP
\fB\-version\fR
.IP
Print version and exit
.PP
Debugging/Testing options:
.PP
Chain selection options:
.HP
\fB\-chain=\fR<chain>
.IP
Use the chain <chain> (default: main). Allowed values: main, test,
testnet4, signet, regtest
.HP
\fB\-signet\fR
.IP
Use the signet chain. Equivalent to \fB\-chain\fR=\fI\,signet\/\fR. Note that the network
is defined by the \fB\-signetchallenge\fR parameter
.HP
\fB\-signetchallenge\fR
.IP
Blocks must satisfy the given script to be considered valid (only for
signet networks; defaults to the global default signet test
network challenge)
.HP
\fB\-signetseednode\fR
.IP
Specify a seed node for the signet network, in the hostname[:port]
format, e.g. sig.net:1234 (may be used multiple times to specify
multiple seed nodes; defaults to the global default signet test
network seed node(s))
.HP
\fB\-testnet\fR
.IP
Use the testnet3 chain. Equivalent to \fB\-chain\fR=\fI\,test\/\fR. Support for testnet3
is deprecated and will be removed in an upcoming release.
Consider moving to testnet4 now by using \fB\-testnet4\fR.
.HP
\fB\-testnet4\fR
.IP
Use the testnet4 chain. Equivalent to \fB\-chain\fR=\fI\,testnet4\/\fR.
.PP
Commands:
.IP
grind
.IP
Perform proof of work on hex header string
.SH COPYRIGHT
Copyright (C) 2009-2025 The Bitcoin Core developers

Please contribute if you find Bitcoin Core useful. Visit
<https://bitcoincore.org/> for further information about the software.
The source code is available from <https://github.com/bitcoin/bitcoin>.

This is experimental software.
Distributed under the MIT software license, see the accompanying file COPYING
or <https://opensource.org/licenses/MIT>
.SH "SEE ALSO"
bitcoind(1), bitcoin-cli(1), bitcoin-tx(1), bitcoin-wallet(1), bitcoin-util(1), bitcoin-qt(1)