…t use ConcertCoin, a (fictional) blockchain-based coin to help buyers and sellers exchange tickets. While digital coins such as Bitcoin can be used to store value and help users exchange money, many altcoins are built for more specific transactions. These altcoins use blockchain technology and smart contracts to address areas such as advertising, content creation, gambling, and real estate transactions. In Zander and Tara’s case, the two might agree the ticket is worth 20 ConcertCoin. Through ConcertC…