VOA慢速英语:依靠比特币活着的委内瑞拉人

cryptocurrency - n. money that only exists electronically

fraction - n. a portion of an amount

black market - n. an illegal trade in officially controlled products

refuge - n. a place that provides shelter or protection

mining - v. the process by which transactions are confirmed and made public via computer code known as block chain

peer-to-peer - n. the practice of lending money to individuals or businesses through online services that match lenders with borrowers.