GYEN and ZUSD are ERC20 stablecoins that allow holders to send and receive Japanese Yen and U.S. Dollar across the Ethereum network. Since GYEN/ZUSD are each backed 1:1 by Japanese Yen and U.S. Dollar, you can always purchase or redeem GYEN/ZUSD at the same price through GMO-Z.com Trust Company's official Purchase/Redemption process.