Siri as in used in the Apple devices as an assistance service, which can give you instant knoledge on something; cryptocurrecny definitely needs one for their own, as it is a new method and most the people do not even know about this thing. People who are interested in crypto can be benefitted fron the instant assistance about somethig just by asking for it. A new kind of moderation aslo be needed for this purpose as this is not ordibnary method or financial policy