VOA慢速英语:The Future of Bitcoins

digital – n.  using or characterized by computer technology

currency – n. something that is used as money

software – n. the programs that run on a computer and perform certain functions

transaction – n. a business deal; an occurrence in which goods, services or money are passed from one person, account, etc., to another

merchandise – n. goods that are bought and sold

illicit – adj.  not allowed by law; unlawful or illegal

asset – n. something that is owned by a person, company, etc.

anonymity – n. the quality or state of being unknown to most people

fluctuate – v.  to change level, strength or value frequently

speculation – n. activity in which someone buys and sells things (such as stocks or pieces of property) in the hope of making a large profit but with the risk of a large loss

incorruptible – adj. very honest; incapable of being corrupted

ledger – n. a book that a company uses to record information about the money it has paid and received

infrastructure – n.  the basic equipment and structures (such as roads and bridges) that are needed for a country, region or organization to function properly