II. Words in Context     A cryptocurrency, broadly defined, is virtual or digital money that allows people to makepayments directly to each other through an online system. Cryptocurrencies take the form oftokens or coins but have no   6   value. They are simply worth what people are willing to payfor them in the market. Though some cryptocurrencies have ventured into the physical worldwith credit cards or other projects, the large majority remain entirely   7   .     Launched in 2009, Bitcoin is one of the first digital currencies to use peer-to-peer (P2P)technology to facilitate instant payments. In recent years, bitcoin has been a trendsetter,ushering in a wave of cryptocurrencies built on a(n)   8   network without systems where oneentity has full control. It has also become the   9   standard for cryptocurrencies, inspiring anever-growing legion of followers and spin-offs.While the use of cryptocurrencies as a means of payment is currently limited, there is onetype of digital currency that could be considered money—digital currency issued by a centralbank. It can be   10   to the general public and used to settle transactions between firms and households. The unit of account would be the national currency, and it could be exchanged atparity (i.e. one for one) with other forms of money, such as physical currency or electronicdeposits with well-regulated financial institutions. (AB) de facto (AC) resistant (AD) intangible (AE) speculative(BC) intrinsic (BD) accessible (BE) entangled (CD) subjected(CE) decentralized (DC) contradictory
【題組】6.