BITCOIN-UTIL(1) User Commands BITCOIN-UTIL(1) NAME bitcoin-util - manual page for bitcoin-util v31.0.0 SYNOPSIS bitcoin-util [options] [command] bitcoin-util [options] grind <hex-block-header> DESCRIPTION Bitcoin Core bitcoin-util utility version v31.0.0 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. OPTIONS -help Print this help message and exit (also -h or -?) -version Print version and exit Debugging/Testing options: Chain selection options: -chain=<chain> Use the chain <chain> (default: main). Allowed values: main, test, testnet4, signet, regtest -signet Use the signet chain. Equivalent to -chain=signet. Note that the network is defined by the -signetchallenge parameter -signetchallenge Blocks must satisfy the given script to be considered valid (only for signet networks; defaults to the global default signet test net- work challenge) -signetseednode 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 net- work seed node(s)) -testnet Use the testnet3 chain. Equivalent to -chain=test. Support for test- net3 is deprecated and will be removed in an upcoming release. Con- sider moving to testnet4 now by using -testnet4. -testnet4 Use the testnet4 chain. Equivalent to -chain=testnet4. Commands: grind Perform proof of work on hex header string COPYRIGHT Copyright (C) 2009-2026 The Bitcoin Core developers Please contribute if you find Bitcoin Core useful. Visit <https://bitcoin- core.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/license/MIT> SEE ALSO bitcoin(1), bitcoind(1), bitcoin-cli(1), bitcoin-tx(1), bitcoin-wallet(1), bitcoin-util(1), bitcoin-qt(1) bitcoin-util v31.0.0 April 2026 BITCOIN-UTIL(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | COPYRIGHT | SEE ALSO
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