You can opt in or out of federation, or copy your federated  username in your federation settings.

On iOS:

1. Go to your Profile tab (bottom right corner)
2. Select the gear icon to enter Flipboard’s Settings
3. Select "Edit Profile"
4. Toggle on or off federation (green is “on”) or tap “Copy federated username” to copy

On Android:

1. Go to your Profile tab (bottom right corner)
2. Select the gear icon to enter Flipboard’s Settings
3. Select Flipboard Account
4. Toggle on or off federation (blue is “on”) or tap “Copy federated username” to copy

On Web:

1. Select your profile avatar (top right corner)
2. Select Settings
3. Select Federation Settings
4. Check or uncheck box for federation (check present is “on”) or click “Copy federated username” to copy