It depends on the way a platform handles your posting authority. In #esteem app, you can choose to use 3 types of posting authority.
By furnishing only posting key, you're strictly limited to authoring post, upvote and minor navigation
By authorizing active key, you're strictly limited to he usage of wallet function. Back in the older version, I have always been using esteem as my convenient wallet.
Master key, can use both. But if you lose your phone, good chance is you lose everything.
Now the latest version of 2.1 will be using active key authority. Can handle both wallet and posting function. It's just the way how it's being designed. No right or wrong. People play drugwars with active keys. Do they have a problem? That's because DW required to send custom json on behalf of account owner.
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