RUST_LOG=info
BAL_SERVER_DB_FILE=/path/to/bal.db
BAL_SERVER_BIND_ADDRESS=127.0.0.1
BAL_SERVER_BITCOIN_ADDRESS=your mainnet address
BAL_SERVER_BITCOIN_FEE=100000
BAL_SERVER_REGTEST_ADDRESS=
BAL_SERVER_REGTEST_FEE=100000
BAL_SERVER_TESTNET_ADDRESS=
BAL_SERVER_TESTNET_FEE=100000
BAL_SERVER_SIGNET_ADDRESS=
BAL_SERVER_SIGNET_FEE=100000