Brief Announcement: A Method for Exchanging Valuable Data: How to Realize Matching Oblivious Transfer

Abstract

This paper proposes a oblivious transfer protocol such that at only the case that some condition of two players hold, data comes from both sides are exchaged each other. This protocol is realazed broadcast channel like using satellite and exechange with consisdering condition. This protocol can be applied to market which exchaged digitalized value such as digitalized cash and digitalized stock, with hiding each players' privacy data like order price and amount of order.