http://mmgen-wallet.i2p/project/mmgen/mmgen-wallet/src/42a5821e98751e59147ab9a761c0b858fb999700/mmgen/help/xmrwallet.py
Extract the removable device, insert it on your online machine and submit the signed sweep transaction to the watch-only wallet, which will broadcast it to the network: $ mmgen-xmrwallet --autosign submit Note that you may also relay the transaction to a remote daemon, optionally via a Tor proxy, using the --tx-relay-daemon option documented above. Once your transaction has confirmed, invoke ‘list’ or ‘sync’ to view your wallets’ balances.