The proper word is pseudonymous. Even if the chain of transactions does not lead to a hard identity, the mere act of trading by public key is to transact pseud

The proper word is pseudonymous. Even if the chain of transactions does not lead to a hard identity, the mere act of trading by public key is to transact pseudonymously. An anonymous transaction would have concealed senders and receivers. So no, the two words are not interchangable.