You have the option to sign in via both Hivesigner or Hive Keychain, when you use Hive Signer you need to grant posting authority with your active key, however, neither Quello nor Hive Signer have access or store your keys. Once that has been granted you can then sign in via posting key.
We added both Keychain and Hive Signer to give you more control of surrounding how you access Quello 👍