a) On this state of affairs, the place B doesn’t spend from the handle besides to ship to the change, and A already is aware of how a lot B is receiving in hire, there isn’t a privateness profit strictly between A and B of utilizing a brand new handle for every transaction earlier than A and B. Nonetheless, it will be simply noticeable on chain to a 3rd occasion that one handle receives funds often, much more so if A pays from the identical handle every time.
b) A, and everybody watching the chain will know the handle and each transaction involving that handle.
c) No data can be hidden almost about A and B. To a third-party watching the chain, they’d not be capable to know that’s the identical particular person receiving the cost each month, like they’d if the identical handle was reused.
d) Total, that is much less relevant when involving simply sending to an change. The good thing about utilizing totally different addresses happens when B sends the bitcoin to a brand new particular person. If B has all their bitcoin on the identical handle, then they’ll expose their complete stack to anybody they need to pay, even when they’re solely sending a small quantity. For instance, you would not need somebody to see your whole checking account stability when sending them $20. The opposite profit is just not having exercise that’s indefinable by third events. Making funds each month to the identical handle can be noticeable.
