Major players including Lufthansa and citizenM hotels are partnering with startups and talking to large corporate clients about whether they can do group bookings via blockchain instead of using middlemen, who charge up to 25 percent of ticket or room prices in fees. Blockchain, which functions as an online record-keeping system maintained by a group of peers rather than a central agency or authority, also offers new business opportunities in tracking bags and flight delays. Because transaction data is openly available and not controlled by any one party, blockchain offers an opportunity to build new platforms that can connect travel providers and customers more directly and replace decades-old technology. Get the full story at Reuters Read also "Sabre explains blockchain" at Tnooz