Useful commands
Key management
Add new key
stchaind keys add walletRecover existing key
stchaind keys add wallet --recoverList all keys
stchaind keys listDelete key
stchaind keys delete walletExport key to the file
stchaind keys export walletImport key from the file
stchaind keys import wallet wallet.backupQuery wallet balance
stchaind q bank balances $(stchaind keys show wallet -a)