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Paper wallets or usb sticks? Nah InstantX to people in the crowd. Preferably to their phones. Boom.
great idea but do we have a mobile wallet that supports instanTX?
By then hopefully..Problem with that idea is getting their addresses. Spose they could just skype/email them to him.. but seems clunky. First 10 messaged addresses from the room gets 10 dash!
Maybe NFC business cards? Anyone that's met the Dash reps face to face would get a random amount then regardless of where they where, not sure if they could hold a wallet file though.