VOA慢速英语:Cryptocurrency Traders Use Old Gold to Interest Islamic Investors

cryptocurrency – n. a money that only exists electronically

speculation – n. ideas or beliefs about something that is not known

unit – n. a form of measurement; a single thing, person or group that is part of something larger

coin – n. a small, usually flat piece of metal used as money

instability – n. the state of being likely to change

digital – adj. of or related to computer technology