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BTC Regtest

Regtest​

  1. Download the binaries, extract to the bin folder
wget https://bitcoincore.org/bin/bitcoin-core-25.0/bitcoin-25.0-x86_64-linux-gnu.tar.gz
tar -xzvf bitcoin-25.0-x86_64-linux-gnu.tar.gz
mv bitcoin-25.0/bin/* ~/bin/

rm -rf bitcoin-25.0  bitcoin-25.0-x86_64-linux-gnu.tar.gz
  1. Create home dir for bitcoin
mkdir ~/.bitcoin
  1. Initialize configuration file at ~/.bitcoin/bitcoin.conf
daemon=1
server=1
regtest=1
listen=1
port=18344
rpcconnect=127.0.0.1
rpcport=18343
rpcuser=bitcoinrpc
rpcpassword=CCwXB6IxXcYMlBd6w812yfmiahxYBnlR0KLlvMIjgOrGq9eqgj9WmdeTCSDVo4w9

addnode=...
addnode=...

Set your own rpcuser and rpcpassword, define addresses of all other nodes in addnode fields. Default P2P port for regtest is 18445

  1. Start the node
bitcoind
  1. Verify the node is working
bitcoin-cli getblockcount
  1. Create or load a wallet (btc doesn't create wallet automatically)
bitcoin-cli createwallet "$your_wallet_name$"
# OR
bitcoin-cli loadwallet "$your_wallet_name$" true